1) A region of the country is rapidly growing in population, causing the demand for electricity to go up each year. As a result, a new source of electricity is needed. This particular region of the country has plenty of agriculture, rivers, and access to coal deposits underground. Which of the following would be the cheapest way for this region of the country to make electricity, have minimal impact on the environment, yet not add carbon dioxide to the atmosphere?





Group of answer choices

A)Use the agriculture biomass to generate a renewable fuel that can be burned to generate electricity

B)Use the coal deposits to generate electricity in a few coal fired facilities

C)Build a nuclear power plant in the middle of the region

D)Build dams along the rivers to generate electricity


2)The image provided shows a partial river food web.



The local town relies on this river ecosystem to sustain their population both economically and as a source of food. Using the food web provided, which statement provides the best reasoning for regulating the amount of fish removed from the river by humans.

Group of answer choices

A)Regulation will help the ecosystem to remain balanced and contribute to the stabilization of other populations of river organisms.

B)Regulation will increase the amount of energy transferred from the catfish to the eagle.

C)Regulation will allow contaminated sediments to decrease in the river due the removal of the contamination source.

D)Regulation will ensure that carp will not overpopulate the ecosystem and begin to consume larger organisms like the salmon.

Answers

Answer 1

Answer:

The cheapest way for the country to make electricity would be

A) Use the agriculture biomass to generate a renewable fuel that can be burned to generate electricity

The statement provides the best reasoning for regulating the amount of fish removed from the river by humans is:

A) Regulation will help the ecosystem to remain balanced and contribute to the stabilization of other populations of river organisms.

Explanation:

For the electricity, the use of Biomass meets the demands due to the fact that, it has minimal impact on the environment, does not add carbon dioxide to the atmosphere. Also, it is renewable form of energy.

For the regulation of the amount of fish removed from the river helps to maintain the ecosystem balance. If it was not done, the fishes found in the river will be totally harvested thereby disrupting the chains in that river ecosystem.


Related Questions

Which statement correctly describes the transfer of energy between the blue arrows?

There is no change in energy. There is twice the gain of energy. There is a loss of energy. There is a gain in energy.

Answers

There is a gain in energy

Body temperature
3
Antara yang berikut, yang manakah sistem respirasi belalang?
Which of the following is the respiratory system of a grasshopper?
A
Trakea
Trachea
B Peparu
Lungs
C Spirakel
Spiracle
D Kulit lembap
Moist skin​

Answers

The answer for this is C

Blank 1) one parent
two parents
multiple parents

Blank 2) Similar
Different
Identical

Blank 3) Sexual
Asexual

Answers

1) one parent
2). Identical
3) asexual

Th recycling of chemical elements throughout an ecosystem is called

a
energy
b
a trophic level
c
the phosphorus cycle
d
biogeochemical cycle

Answers

the answer is D for this question

A virus adapts to the new surrounding by manufacturing proteins when it needs them

Answers

Answer:

True

Explanation:

Answer:

A virus adapts to the new surrounding by manufacturing proteins when it needs them

Explanation:

Viruses adapt to their hosts by evading defense mechanisms and taking over cellular metabolism for their own benefit. Alterations in cell metabolism as well as side-effects of antiviral responses contribute to symptoms development and virulence.

What kind of things dissolve well in water and mean "love water"?​

Answers

salt and sugar dissolves well in water

I need the answer to this ASAP please!!!!!

Answers

Answer:

B.

Nerve cells can carry signals and connect to all parts of the body.

what is a good hypothesis for, how does heart rate change during and after an exercise is performed for two different periods of time?

Answers

As you workout your heart rate will increase because you need oxygen.

n the northern United States where snow and ice create dangerous road conditions in the winter, the Department of Public Transportation often salt roads, which encourages melting. How could salting the roads have and impact on the plant life that live on the edge of the road?

Plant cells will lose water due to osmosis.


Plant cells will gain water due to osmosis.


Plant cells will use the salt to grow taller.


There would be no impact.

Answers

Answer:

Plant cells will lose water due to osmosis

Explanation:

Osmosis uses a concentration gradient. Water travels from areas of high concentration to low concentration. The salted road has low water concentration while the plants near the edge have a higher water concentration. The water will leave the plants and go to the salted road. Using common sense, if you sprinkle salt on a snail, it dehydrates and dies. Same thing happens here. The salt sucks the water out.

Given the diagram below, which of the following ordered pairs represents the
vertex, A?

O A. (b cosc, b sinC)
O B. (b cos C, c sinc)
O C. (a cosB, a sinB)
O D. (a cosc, b sinC)

Answers

Answer:c

Explanation:because cosin of b is c

(a cosc, b sinC) pairs represents the vertex A in this diagram. Hence option D is correct.

What is Vertex ?

In geometry, a vertex (in plural form: vertices or vertexes) is a point where two or more curves, lines, or edges meet. As a consequence of this definition, the point where two lines meet to form an angle and the corners of polygons and polyhedral are vertices.

The vertex of an angle is the point where two rays begin or meet, where two line segments join or meet, where two lines intersect (cross), or any appropriate combination of rays, segments, and lines that result in two straight sides meeting at one place.

In a polygon, a vertex is called "convex" if the internal angle of the polygon is less than π radians otherwise, it is called concave.

Hence option D is correct.

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How fast can you answer correct..? How fast can i give you brainliest and rank up? Explain Your answer
HELP

Answers

Answer:

D (but b on the map)

Explanation:

1. The human population is increasing by about 1.19 percent each year. Assume that the
population is 6.8 billion (6,800,000,000).
How large will the population be in one year?

Answers

Should be 8,092,000,000

The population that should be large in one year is 8,092,000,000 when the population should be increased by 1.19 percent.

Calculation of the population:

Since the population is 6.8 billion or 6,800,000,000

And, the increase rate is 1.19% each year

So the population in one year should be

= 1.19% of 6.8 billion

= 8,092,000,000

hence, The population that should be large in one year is 8,092,000,000 when the population should be increased by 1.19 percent.

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Calvin steps into a pothole and twists his ankle at the bon- fire. He is in a great deal of pain and cannot stand on the ankle . In the hospital, the examining physician notes that Calvin plantar flex and dorsiflex the foot but cannot perform inversion without extreme pain. Explain what this means. What structure could he have injured?

Answers

Answer:

He sprained his ankle. The structures that he could have damaged are his ankle's ligaments.

Explanation:

Calvin twisted his ankle, which caused an ankle sprain. In an ankle sprain, the ligaments, which keep together the bones and contribute to the movement of or feet, are damaged. Depending on the severity of the sprain, the ligaments could be over-stretched or torn, causing pain when moving the feet.

how does mangrove planting reduces impact of climate change​

Answers

Answer:

By slowing down the movement of water and catching sediment, mangroves help reduce the impacts of storm waves and flooding. mangroves also prevent greenhouse gasses which helps climate change.

Explanation:

Answer:

Besides protecting shorelines from extreme weather and providing fish a safe place to breed, mangroves could play a big role in trapping climate-changing carbon emissions, something that has so far been largely overlooked, they said. As mangroves are cleared at a rate three to five times faster than other forests, according to UNEP estimates, those losses are particularly felt in developing countries where most mangroves are located, including Bangladesh, India, Pakistan, Sri Lanka, Kenya, Senegal, West Bengal, Vietnam and Sumatra. Like other plants, mangroves take carbon dioxide from the air as they photosynthesize. They use this carbon dioxide to produce more leaves. As a result, this carbon gets locked in the leaves instead of the air. This is why plant communities like forests and grasslands are called “carbon sinks". As leaves fall from trees, they decompose and the trapped carbon slowly drains back into the atmosphere. Mangrove leaves drop into the water. Lower oxygen levels in that water means that leaves decay more slowly than they would in air. The leaves also serve as a primary food source for a variety of animals like worms, shrimp, fish and crabs. These animals transport that carbon to deeper water. Deeper still if they are eaten by larger animals. When they die, they sink to the bottom where their carbon remains trapped indefinitely.

if an organisms diploid cells contain 8 chromosomes, how many chromosomes do its haploid cells contain?

Answers

Answer:

16

Explanation:

haploid contains single cells where diploid cells contain double

Answer: the answer above me is way of the coorect answer would be 4 because it come in pair for evey 8 dilpoid cells their are 4 chromosnes

Explanation:

In an ecosystem, a wide range of organisms coexist. In a pond ecosystem, one can find amoebae, bacteria, green algae, and fish. Which of the
following is the best conclusion one can make regarding the genetic diversity of these organisms?
Green algae will have the greatest genetic diversity because they are photosynthetic and do not depend on other organisms to survive.
Fish will have the greatest genetic diversity because they receive genetic material from a male and female source.
Bacteria will have the greatest genetic diversity because their high reproductive rate ensures that some will survive.
Amoebae will have the greatest genetic diversity because their genetic makeup allows them to survive in many environments.

Answers

Answer: Progressives introduced reforms to address the ills of industrial capitalism. Their efforts led to anti-trust law suits (e.g., Northern

Explanation:

Answer:

The correct answer would be "Fish will have the greatest genetic diversity because they receive genetic material from a male and female source".

Genetic diversity is defined as the variation in the total amount of genetic information among the individual of the population.

In sexually reproducing population, genetic diversity is present in high amount as compared to asexually reproducing population.

It is because of two reasons:

The genetic make of an individual is determined by 2 parents (father and mother).

The event of crossing over takes place during formation of gametes.

Together, they lead to the development of new combinations of alleles in an offspring which is different from both the parents.

Thus, fish would have the highest genetic diversity in their population.

Explanation:

A type of worm with many linked sections is a flatworm.

True or False

Answers

Answer:

False.

Explanation:

Flatworms are unsegmented.

how could we decrease the amount of atmospheric CO2?

Answers

Atmospheric CO2 is an important trace element in the atmosphere. It is released into the atmosphere as a result of the combustion of fossil fuels and some other causes.

We can decrease the amount of atmospheric CO2 by growing more trees, using better alternatives in place of substances that leads to an increase in CO2.

More carbon dioxide is absorbed, lowering CO2 levels when we grow more trees as plants utilize this element a lot.Renewable energy sources like solar energy etc. to replace non-renewable sources can also be utilized.We can lessen our dependence on private mobility and use more of public mobility, or we walk / carpool instead.

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We can do the following to reduce atmospheric [tex]\rm CO_2[/tex]:

1. Reduce fossil fuel use by switching to renewable energy sources and encouraging energy conservation.

2. Through photosynthesis, [tex]\rm CO_2[/tex] can be absorbed by reforestation and reforestation operations and stored in soil and plants.

3. Power stations and other industrial sources that emit [tex]\rm CO_2[/tex] can be captured and stored using carbon capture and storage methods.

4. New methods of weathering accelerate natural processes that convert [tex]\rm CO_2[/tex]into stable forms.

5. Promoting environmentally friendly agricultural methods can reduce emissions and improve carbon storage in the soil.

6. To implement changes and promote international cooperation, public awareness and policy support are essential.

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Please help!
Will mark brainliest!
The picture below shows a galaxy which revolves around a single point and has
spinning arms of stars which extend from the center.
What type of galaxy is shown in the picture?

barred spiral
irregular
spiral
elliptical

Answers

Answer:

It's a spiral galaxy. So c

Answer:

C

Explanation:

how do homologous chromosomes arrange themselves during prophase I?

Answers

Answer: Homologous chromosomes are made up of chromosome pairs of approximately the same length, centromere position, and staining pattern, for genes with the same corresponding loci. One homologous chromosome is inherited from the organism's mother; the other is inherited from the organism's father.

Explanation:

How do the flowing layers of the Earth interact?
They interact by the core transferring energy by conduction to the upper mantle
assisting in the softening of the rock layer which leads to convection.
They interact by the core transferring energy by convection to the upper mantle
assisting in the softening of the rock layer which leads to conduction.
They interact by the core transferring energy by precipitation to the upper mantle
assisting in the softening of the rock layer which leads to evaporation.
They interact by the upper mantle transferring energy by conduction to the core
assisting in the softening of the rock layer which leads to radiation.

Answers

Answer:

They interact by the upper mantle transferring energy by conduction to the core  assisting in the softening of the rock layer which leads to radiation.

Explanation:

Convection currents coming from the core and mantel are believed to the main cause of the interaction. As these currents travel up and down the curst and mantle boundary and this creates the plates to move freely forming a conveyor belt. The core of the earth creates this convective current to rise up due to the heat and pressure. The hot molten rocks in the mantle eventually cool and the cycle of rising and sinking takes place.

which of the following is NOT an example of an internal structure adaptation?

fish gills
xylem in plants
hollow bird bones
tree roots​

Answers

Answer:

hollow bird bones or option c

Explanation:

because it helps them fly better

Hollow bird bones is not an example of an internal structure adaptation.

What is Internal structure adaptation?

Any heritable characteristic that enables a plant or animal to survive and procreate in its environment is referred to as an adaptation. Individuals of a species can differ in a wide range of ways; some may be larger, hairier, better able to fend off illnesses, or even have smaller ears.

Their genes, which are inherited from their parents and later passed on to their own offspring, are mostly responsible for determining these traits.

The proportion of people who possess that favorable feature or adaptation will rise over generations until it becomes a characteristic shared by the entire species.

Therefore, Hollow bird bones is not an example of an internal structure adaptation.

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What is the direct cause of most earthquakes?
O Gravitational pull on bedrock by the moon
O deposition of sediment in lakes and oceans
O movement of bedrock along a fault line
O heat exchange betwęen the crust and the atmosphere

Answers

Answer:

Pretty sure it's C or B? Most likely C.

The direct cause of most earthquakes is the movement of bedrock along a fault line. Earthquakes occur when energy stored in the Earth's crust is released suddenly, causing the ground to shake. Hence option D is correct.

What is an earthquake?

An earthquake is a sudden and rapid shaking of the Earth's crust caused by the breaking and shifting of rock beneath the Earth's surface. The Earth's crust is made up of tectonic plates that constantly move and interact with each other.

When these plates move against each other, they create pressure that builds up over time until the rock breaks, causing an earthquake.

This energy is released when two blocks of rock, called tectonic plates, move relative to each other along a fault.

The blocks may become stuck, and as the pressure builds up, they may suddenly slip, releasing energy in the form of seismic waves that cause the ground to shake.

The intensity and magnitude of an earthquake depend on the amount of energy released and the distance from the epicenter.

While other factors such as volcanic activity, landslides, or human activities can also cause earthquakes, movement along a fault line remains the primary cause.

Hence option D is correct.

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which statement best describes how eating regular meals help your body maintain homeostasis

Answers

Answer:

regular meals provide your body with a constant supply of energy

Explanation:

Answer:

constant supply of energy

Explanation:

Do stars move or do we?

Answers

Yes all stars move, Stars orbit around the center of the galaxy their in and all the planets, asteroids comets and every orbiting a star are pulled along with them.

which term names part of the peripheral nerves system A spinal cord B brain C sensors​

Answers

Answer:

[tex]\boxed {\boxed {\sf C. \ Sensors}}[/tex]

Explanation:

There are two divisions of the nervous system: the central and peripheral.

The central nervous system (CNS) is made up of the brain and spinal cord. This section processes information gathered from the sensory organs.

The peripheral nervous system (PNS) is divided into the autonomic and somatic, with different functions. Regardless of the subdivision, the PNS is made up of all the nerves and sensory receptors. The nerves are connected to the brain and spinal cord, which allows them to pass information from the PNS (where it is gathered ) to the CNS (where it is processed).

So, the spinal cord (choice A) and brain (choice B) are parts of the central nervous system, not peripheral. The correct answer must be C. sensors

Answer:

C) Sensors

Explanation:

I hope this helps, I took the test :D Have a great day/night!

Can i have some help please​

Answers

Answer:

genotype:-

25% (DD)

50% (Dd)

25% (dd)

phenotypes:-

50%

50%

What is the primary function of DNA replication in adult human somatic cells?

A to allow the cells to adapt to changes in the environment by generating new alleles of genes
B to generate multiple copies of genes the cell can use to increase protein production
c to prepare to create a new cell that contains the same genetic information
d to prepare the cell for meiosis to generate gametes

Answers

Answer:

B to generate multiple copies of genes the cell can use to increase protein production

Explanation:

Terms in this set (44) - Replication means that the DNA, with all its genes, must be copied every time a cell divides so that during growth and repair the newly formed cells have the correct genetic material.

It b hopefully it right

The enzyme joins
to synthesize a new
strand of DNA . DNA replication is called
, because each new DNA molecule is made up of one original and one new strand.

Answers

the enzymes joins to synthesize anew DNA

Explanation:

because each new DNA molecules is made of one good original new strand

5. What is an advantage of building a model of DNA? What are two limitations of the DNA model
you created? What properties of DNA cannot be demonstrated using this model?

Answers

Answer: The advantage of building a DNA model is that u can see the littlest details.

2 limitations are, it might take to long and there only a little bit of things u can do with a modle

Explanation: I don't have one

A.

The advantage of building a model of DNA is :

DNA's one of a kind structure empowers the atom to duplicate itself amid cell division.

B.

The two limitations of the DNA model that you created is :

DNA polymerase is restricted by the reality that it cannot include nucleotides in a 3' to 5' course.DNA polymerase cannot start amalgamation on its possess.

C.

The properties of DNA that cannot be demonstrated using this model is :

It is one of a kind structure empowers the atom to duplicate itself amid cell division.

"DNA"

Molecular models of DNA structures are representations of the atomic geometry and topology of deoxyribonucleic corrosive (DNA) particles utilizing one of a few implies, with the point of streamlining and displaying the basic, physical and chemical, properties of DNA atomic structures either in vivo or in vitro.

Deoxyribonucleic acid, is the genetic fabric in people and nearly all other living beings.

About each cell in a person's body has the same DNA.

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Now it is time to take longer stridestime for a great new American enterprisetime for this nation to take a clearly leading role in space achievement. This in many ways may hold the key to our future on earth. Recognizing the head start obtained by the Soviets with their large rocket engines, we nevertheless are required to make new efforts on our own.For while we cannot guarantee that we shall one day be first, we can guarantee that any failure to make this effort will make us last.We take an additional risk by making it in full view of the world, but this very risk enhances our stature when we are successful.We go into space because whatever mankind must undertake, free men must fully share. 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