help^
answer that......

Answer:

The answer is A

Explanation:

Answer:

A One of the key elements in creating a green economy is the construction of green buildings.  

Explanation:

Any economy relies on businesses and buildings, so a green economy is going to need green buildings to support a green economy as well.

Answer:

C. another identical earth that has not seen increases in greenhouse gases

The best control group for global warming would be another identical earth that has not seen increases in greenhouse gases.

Global warming may be defined as the gradual increase in the Earth's average temperature due to the trapping of greenhouse gases by the atmosphere.

The excessive release of greenhouse gases like methane, Carbon dioxide, nitrous oxide, and ozone are responsible for global warming. These gases are released by automobiles, industrial smoke, etc.

Deforestation is also considered the cause of global warming. Trees help in the reduction of carbon dioxide from the atmosphere and convert it into oxygen.

Therefore, the best control group for global warming would be another identical earth that has not seen increases in greenhouse gases.

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Answer:

Molecules move up the concentration gradient in facilitated diffusion, which requires ATP to be used as molecules naturally move from high to low concentration

Explanation:

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Molecules move down their concentration gradient in facilitated diffusion through channels of proteins.

For most molecules, movement through the membrane, with a significant rate, is only possible by the presence of transporter proteins (integral membrane proteins, which recognize substances with a high specificity, accelerating their translocation) or channels of proteins.

Transport proteins allow the facilitated diffusion of molecules, moving them along the free energy gradient (concentration gradient, charge gradient, or both), in the direction of thermodynamic equilibrium.

When a carrier protein binds to a solute, the protein changes shape in such a way that it carries the solute to the other side of the membrane.

Facilitated diffusion is similar to simple diffusion, since the molecules move from a region of higher to a lower concentration of solutes.

For example, by facilitated diffusion, chlorine ions move down their concentration gradient into the cell through chlorine channels.

Therefore, we can conclude that many molecules are assisted by transporter proteins for their diffusion through the plasma membrane, a process known as facilitated diffusion, where the molecules descend through their concentration gradient.

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Answer:

Cellular respiration uses oxygen as a reactant and photosynthesis does not​

Explanation:

Autotrophs use CO2 to make energy while heterotrophs use Oxygen.

You only gave one option so that's as far as I can get, sorry!

Answer:

Neither, they are equal.

1,000 cm3 = 1000 mL

Answer:

a

Explanation:

I am pretty sure its a

Answer:

direct observation

Explanation:

Answer:

The fossils that provide information on the formation of an oxygen-rich atmosphere are the stromatilites from the Precambrian era. These are layered and columnar fossils consisting mainly of cyanobacteria which were the original life form back then. These bacteria took in carbon dioxide and produced oxygen by photosynthesis as early as 2.5 billion years ago (the earth is about 4.5 billion yrs old).

Explanation:

Answer:

The answer is "8 beta-oxidation cycles".

Explanation:

Please find the complete question in the attached file.

In this complete oxidation of active oleic acid 18:1(Δ9), 8 beta-oxidation cycles are required. Oleic acid is saturated fat, 9 to 10-carbohydrate fatty acid. Its double bonding is cis-focused. Its cycles for beta-oxidation required to oxidize an active oleic acid fully are 8.

It's initial two fatty acids are removed by oxidation in β - oxidation from the initial two carbon atoms. The recently formed carbon units are made up of creating temporary A molecules (acetyl- CoA). That cycle for oxidative begins with both the coffee grounds terminals of the fat lactone chain.

running water can be used as an energy source to produce hydroelectric power.

The conditions for an enzyme to work properly would be around a specific temperature & pH ranges.

Higher temperatures (heat) would speed up the functioning of the enzyme while lower temperatures (cold) would do the opposite..

Answer:

A. mitochondria

Explanation:

The mitochondria makes energy for the animal cell. The mitochondria organelle is known as the "power house of all cells". It makes energy for the cell.

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Answer:

true

Explanation:

the lower respiratory tract contains:- trachea, bronchial tree, and lungs.

Answer:

stamen produces pollen ovules develops into fruit

Explanation:

Answer:

Adjust your day-to-day behaviors.

Replace your light bulbs.

Use smart power strips.

Install a programmable or smart thermostat.

Purchase energy efficient appliances.

Answer:Consequently, the temperature will fall. Rainfall and snow are results of water cycle and can lead to severe weather conditions. Excessive rainfall due to water cycle can cause floods. Extremely low rainfall, lack of adequate water sources can lead to draught in a given region.

Explanation:

Answer:

Human chromosomes 1 and 3

Explanation:

There are four types of chromosomes classified based on the position of their centromere. These chromosomes are metacentric, submetacentric, acrocentric and telocentric. As rightly stated in this question, metacentric chromosome is the chromosome that has a centrally located centomere making the chromosome arms to be approximately of equal length.

The metacentric type of chromosomes are present in humans as viewed using KARYOTYPE (a pictorial display of chromosome arrangement). Based on karyotyping, chromosomes 1 and 3 are METACENTRIC.

Answer

i think its C.

A) WHAT IS THE PROBLEM WITH HER PLAN?

Binary fission is one of the asexual process by which most bacteria reproduce, the binary fission brings about a doubling of the number in bacterial cells that are viable.

Generation time is that time that it will require for a cell population to divide and double, it is also known as doubling time. This Generation time varies among distinct organisms and also varies among culture conditions.

Take for instance,a fast growing bacterium that is under an ideal culture conditions has a doubling time of 20minutes and for the bacteria that is grown in a condition that is not so ideal,may have a doubling time of hours.

The major challenge/ problem with her plan is that as she takes the bacterial sample every 30minutes, and then hold the sample till the last sampling is done in the day,those bacterial cells that are collected in the initial intervals will then get divided and further gives a result that is false.

However,if those bacteria that are collected aren't stored in a culture environment that is standard,the bacterial cells may die off and thus will further bring about a false result.

2) CAN SHE DO ANYTHING TO IMPROVE THE ACCURACY OF HER RESULT?

Solution for rectifying the error in her plan;

She can go ahead and add 50-100 μl of formaldehyde to all the culture suspensions that she has and has taken every 30minutes.

As the formaldehyde will fix the bacterial cells,The optical density present in all those aliquots can then be retrieved/taken at the end of the day.

Looking at it alternatively, aliquot 1ml of the culture suspension at an interval of every 30 minutes,and then take the optical density that is OD at a wavelength of 600nm making use of spectrophotometer until the reason you get becomes static.

Answer: The process is called EUTROPHICATION. The correct option is C.

Explanation:

Eutrophication is a type of environmental pollution where by there is an increase in nutrient salts of a water body which can lead to structural changes in the affected aquatic ecosystem. These changes includes:

--> Increase in production of algae: this effect causes algae blooms which makes the water murky, greenish and unpleasant for certain activities such as swimming.

--> Decrease in aquatic life: the presence of excessive growth of algae which are often degraded by microorganisms. When the rate of degradation of the algae by microorganisms is greater than that of oxygen regeneration a hypoxic state occurs which is harmful to aquatic life example fishes.

Answer:

Infiltrate rate decreases and also water quality.

Explanation:

There is adverse effect of erecting buildings and concrete pavement on the recharge of aquifers and the quality of the water because the water is unable to infiltrate inside the soil due to concrete floor and the recharging of aquifers is not possible. These buildings and concrete pavements also reduces the quality of water due to degradation of sediments present in the building with the passage of time.

Answer:

this is not a question it is a statement

Explanation:

Answer:

Placer mining

Explanation:

Placer mining can be less damaging to the environment than surface mines, as the sediment is returned to the water after the minerals have been extracted.

The mining that is likely the least harmful to the environment is the placer mining that is present in Option B, water is used in placer mining to separate mineral particles from soil.

Placer mining involves the extraction of minerals from riverbeds, streambeds, and other bodies of water, and this method involves the use of water to separate mineral particles from soil, while placer mining is generally considered to be less harmful to the environment compared to surface and subsurface mining, but it can still have negative impacts if not properly managed. For example, the use of mercury in the gold extraction process can lead to water pollution and harm to aquatic life.

Hence, the mining that is likely the least harmful to the environment is the placer mining that is present in Option B.

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