Infectious diseases have an easier time spreading now than they did several hundred years ago. What about society has changed that makes this possible? Describe at least TWO reasons.
Answer:
see below :)
Explanation:
Infectious are more easily spread nowadays becuse of an increased population. The more the population increases, the bigger the advantage an infectious disease has. As of right now, because everyone is wearing masks, their immune systems are being weakened. Another reason for this is because of the increase in chemicals in our foods, which are now being transferred to our bodies. All of the medications people are taking also have an affect on the spread of disease; it gives diseases a chance to mutate.
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Refers to how traits are passed from parents to offsprings
Answer:
the transmission of traits from one generation to the next. These traits can be physical, such as eye colour, blood type or a disease, or behavioural.
Use the student's hypothesis to predict which parachute, A, B or C, will hit the ground first. Give a reason for your answer?
Answer:
The heavier will come first to hit the ground.
Explanation:
That parachute will come faster and hit the ground first which has more weight than other parachutes because the heavier objects comes to the earth at faster rate as compared to light objects. So if all the three parachute has same size and shape but difference in weight than the heavier one comes to the ground first as compared to other two parachutes.
One theory of early life on Earth states that the first life forms did not use oxygen for respiration and were unable to make their own food. Based on this theory, which types of organisms were most likely present?
aerobic, autotrophic bacteria
aerobic, heterotrophic bacteria
anaerobic, autotrophic bacteria
anaerobic, heterotrophic bacteria
Answer:
Early organisms would have to be anaerobic, as air was likely non existent. This rules out the first two options.
Autotrophic can be called producers, and heterotrophic can be called consumers.
The question states that "did not use oxygen for respiration and were unable to make their own food"
Only one option satisfies the question:
anaerobic, heterotrophic bacteria
Answer:
Anaerobic, heterotrophic bacteria
Explanation:
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Enzymes are ___________ that speed _______ reactions by lowering _________________ ________. Proteins _________ in extreme conditions such as ____________&___________; when enzymes _________ they are no longer functional because the ___________ must fit in the ________ _____ for the reaction to occur.
Answer:
enzyme are protein that speed chemical reaction ..
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What are the three functions of the integumentary system?
Answer: protection regulation and sensation
Explanation:
What is modified poliovirus?
Explanation:
Poliovirus, the causative agent of polio (also known as poliomyelitis), is a serotype of the species Enterovirus C, in the family of Picornaviridae.
What is another name for solar energy?
Answer:
solar system
Explanation:
A protein channel in a hydrogen ion pump is shown below. What would happen if the concentration of H+ ions were higher inside the mitochondrion than outside the mitochondrion when the channel opened?
Answer:
The H+ ions moves outside.
Explanation:
The H+ ions moves outside the mitochondria of the cell if the concentration of H ions were higher inside the mitochondrion than outside environment of the mitochondrion in order to equalize the pH or H+ ions concentration of both inner side of mitochondria and outer side environment. This movement of H+ ions from a region of higher concentration to the region of lower through a semi-permeable membrane is known as osmosis which has a positive effect on the cell as well as organelles of the cell.
What would happen if larger crabs were removed from the web by environmental changes or by overfishing?
No copying on the internet
Answer:
Then there would be too much smaller fish and what ever else they eat.
Explanation:
Healthy ecosystems depend on–
Healthy ecosystems depend on a variety of factors working together in balance.
Some key factors include:
1. Biodiversity: Healthy ecosystems have a rich variety of species, including plants, animals, and microorganisms.
2. Nutrient Cycling: Ecosystems rely on the cycling of nutrients, such as carbon, nitrogen, and phosphorus, to support the growth and survival of organisms.
3. Energy Flow: Ecosystems depend on the flow of energy from the sun. Producers, such as plants and algae, convert solar energy into chemical energy through photosynthesis.
4. Interactions and Relationships: Healthy ecosystems are characterized by complex interactions and relationships among organisms.
Know more about Healthy ecosystems:
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A certain microscopic single-celled organism is important to the dairy industry because when placed in milk, it consumes sugars in the milk and releases substances that react with the milk, adding flavor and thickening it. What kind of organism is this?
Answer:
I think its a type of bacteria but im not really sure, is there any choice options?
Explanation:
The dairy business depends on bacteria tiny single-celled organisms because, when added to milk, it consumes milk sugars and produce chemicals that react with the milk to taste and thicken it.
How dairy industry use bacteria?Temperature, pH, water activity, salt-in-moisture levels, and other factors all have a significant impact on how quickly bacteria thrive in dairy goods.
In order to acidify the cheese milk before and during the preparation of dairy foods, starter microorganisms must be used. Streptococcus thermophilus, Lactobacillus sp., and Lactococcus lactis.
However, dairy firms now often standardize the process by adding domesticated bacterial cultures, such as strains of Lactococcus lactis, Streptococcus thermophilus, and Lactobacillus sp. it can be done by naturally existing lactic acid bacteria in the milk.
Therefore, the dairy business depends on bacteria tiny single-celled organisms.
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what are the five differences between omnivorous and carnivorous animals
Hello!! I need help on this question ASAP!
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Which option best explains how consumers like omnivores, herbivores, and carnivores are dependent on other living things for food?
1)Plants make their own food using sunlight. Herbivores eat plants for food. Omnivores eat plants and animals for food. Carnivores eat animals for food.
2)The flow of food starts with sunlight. Plants make food through photosynthesis. Herbivores eat omnivores for food. Omnivores eat plants for food. Carnivores use sunlight to make their own food.
3)Energy flow starts with plants. Plants make their own energy. Omnivores get their energy by eating plants. Herbivores eat carnivores for food. Carnivores eat plants for food.
4)Herbivores make their own energy using sunlight. Plants eat herbivores for food. Omnivores eat animals for food. Carnivores eat herbivores for food.
thank you if you answered!!!
Answer:
Plant make their own food using sunlight. Hebivores eat plants for food. Omnivores eat plants and animals for food.Carnivores eat animals for food
Explain surface runoff. HELP PLSSSSSSS
Explanation: Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle. Runoff that occurs on surfaces before reaching a channel is also called overland flow. A land area which produces runoff draining to a common point is called a watershed
Explanation:
surface runoff also called soil erosion is the washing away of top soil by the actions of moving water after rainfall. It occurs when the surface of soil is exposed to direct rainfall.
how is specific gravity extracted from the earth?
Answer:
The formula for specific gravity, given that the reference substance is water, is the density of the object divided by the density of the water.
What is the result of normal chromosome replication?
O a
b
Lost or worn out chromosomes are replaced.
Each daughter cell is provided with twice as many
chromosomes as the parent cell.
The exact number of centrioles is provided for
spindle fiber attachment.
Two identical sets of chromosomes are produced.
Answer:
Two identical sets of chromosomes are produced.
Explanation:
hope this helps!
How many parts does Mitosis have?
2.
4
1
3
Answer:
The answer is 4.
Explanation:
The answer is 4
Hope it helps :)
Epistasis is where one gene hides the effects of another gene. In labrador dogs, the dominant allele (E) determines whether the skin will have pigment. The dominant allele (B) determines how dark it is (color). Match the color dog with the correct genotype. Black lab Chocolate (brown) lab Yellow lab
Complete question:
I failed in finding the complete question. However, in the answer and explanation boxes, I will determine the genotypes of labrador for each color.
Answer:
For black-haired dogs: BBEE, BBEe, BbEE, BbEeFor brown (chocolate) color: bbEE, bbEeFor Yellow color: BBee, Bbee, bbee.Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files.
Small molecules can cross the cell membrane through ______________ while water is transports across the cell membrane through __________________
Answer:
Small molecules can cross the cell membrane through a phospholid layer and water can diffuse through the lipid bilayer.
Explanation:
Answer:
phospholid layer and lipid bilayer.
Explanation:
Hope this helps
One of the two strands of a replicated (double-stranded) chromosome is called _____
A human male will normally transmit the genes on his X-chromosome to ?
Answer:
A human male will normally transmit the genes on his X chromosome to- B- only his daughters.
hope it helps:)
Explanation:
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What is the main function of the Krebs cycle?
A. To break glucose down into two pyruvate molecules
OB. To produce carbon dioxide for use in the thylakoid
O C. To produce large numbers of ATP molecules
O D. To provide molecules for the electron transport chain
Answer:
d
Explanation:
To provide molecules for the electron transport chain
What are the compounds? Give examples.
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Answer:
what is the question?
Explanation:
What is a factor that is necessary for the formation of a new species
Reproduction at different times
Reproductive isolation
Geographic barriers
Different mating behaviors
Some plants respond to an external stimulus - such as
sunlight, water, or gravity - by growing or moving in a
certain direction.
Which term describes this type of plant response?
A. Tropism
O B. Nastic movement
C. Transpiration
D. Dormancy
Answer:
This type of plant response is A. Tropism
Answer: The answer is in the picture
Explanation:
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Hope this helps <3
Which of these is a physical change that takes place in a garden? O A. Leaves convert sunlight to sugar by photosynthesis, O B. Flowers grow after a summer rain shower. O C. Insects eat the leaves of a plant for food. OD. Earthworms loosen soil as they travel through it.
What is not a responsibility of the nervous system?
A. Perception
B. Speech
C. Movement
D. Emotion
Answer:
Explanation:
Answer:
Speech is the correct answer trust me
Explanation:
A fire sits 72 feet from the abs of 125 foot tall building. Find the angle of Evel at ion from the fire to the top of the building
Answer:
60°
Explanation:
From the attachment,
Opposite side of the triangle= 125 feet
Adjacent=72 feet
Angle of elevation= (θ)
From trigonometry,
Tan (θ)= Opposite side /Adjacent adjacent
Where
(θ)=angle of elevation
If we substitute to above expresion we have
tan(θ)= 125/72
tan(θ)= 1.736
Tan^-1(1.736)=60°
θ= 60°
Hence, the angle of Evel at ion from the fire to the top of the building is 60°