BIOLOGY HIGH SCHOOL

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "B. Approximately 20 %" The fraction of the fossil fuel emissions in the United States that could be absorbed by converting 25% of agricultural land in the U.S. to native forests is 20%.


Here are the following choices:
A. approximately 10 %
B. Approximately 20 %
C. approximately 30 %
D. Approximately 40 %
Answer 2
Answer:

approximately 20%

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*100% CORRECT ANSWERS

Question 1  

The principal characteristic that differentiates temperate and tropical rainforests is __________.

latitude

Question 2

Which of the following are important products of rainforests?

all of the choices

Question 3

Which of the following best describes the use of rainforest plants as anticancer drugs?

Twenty-five percent of the active ingredients in cancer drugs are exclusively rainforest plants.

Question 4

Which of the following is the most direct method for combating rainforest deforestation?

rehabilitation

Question 5

The sustainable use of rainforest resources is exemplified by _______.

harvesting nuts

Question 6

Which of the following best describes the impact of rainforest deforestation on global precipitation?

The pattern of global precipitation is altered.

Question 7

A forester is _______

a person who manages and supervises land used for timber production

Question 8

Which of the following is a technology used by foresters?

all of the choices

Question 9

Even-aged management practices involves clearing trees that _______.

are all near the same age

Question 10

Which of the following forest management practices is best for reestablishing areas of forest?

reforestation

Question 11

How do trees act as carbon sinks?

all of the choices

Question 12

How does the destruction of forests contribute to levels of atmospheric carbon?

Fewer trees leads to smaller amounts of carbon dioxide being absorbed from the atmosphere.

Question 13

What fraction of the fossil fuel emissions in the United States could be absorbed by converting 25% of agricultural land in the U.S. to native forests?

approximately 20%

Question 14

Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?

Clearcutting removes all trees in a stand, old and young.

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What is the larger mean of these two samples?Sample A: 23, 26, 30, 28, 25
Sample B: 31, 20, 29, 27, 24
A. 11
B. 26.2
C. 26.4
D. 132

Answers

the answer is C not B

Describe what a limiting factor is and describe how each factor impacts the rate of photosynthesis.

Answers

A limiting factor is anything that constrains a population's size and slows or stops it from growing. these factors are mostly biotic . For example, Food or mates. Even competing for resources. Factors for the rate of photosynthesis range. The rate of oxygen output, carbon dioxide uptake, carbohydrate (glucose/sugar) production, temperature is also a limiting factor because At low temperatures, the rate of photosynthesis is limited by the number of molecular collisions between enzymes and substrates. At high temperatures, enzymes are denatured. As well as light intensity because without the sun it’s not even possible

Farmers consider pesticides and fertilizers necessary to ensure successful farming. What problems are caused by the use if these agricultural pollutants?The increased nitrates from the fertilizers leech into the water and cause algal blooms, which take oxygen out of the water and this suffocates fish.
Pesticides seem to pose no environmental problems.
The increase greenhouse gases.

Answers

The answer is The increased nitrates from the fertilizers leech into the water and cause algal blooms, which take oxygen out of the water and this suffocates fish.. 


Algae blooms are the consequence of large amounts of farm fertilizers in the rivers, which increases nitrates level in the water. Algae use the presence of increased nutrients and enhance their own growth. It is known that they produce an oxygen in the photosynthesis, so it is not a problem while they are still alive. But when these organisms die, their decomposition begins. For the process of decomposition, the oxygen is needed and ultimately it will be depleted from a body of water. This could lead to the death of aquatic animals, such as fish, that depend on oxygen.

Answer:

A. The increased nitrates from the fertilizers leech into the water and cause algal blooms, which take oxygen out of the water and this suffocates fish.

Which first appear invertebrate or vertebrate

Answers

vertebrate hope this helps

A fish that normally lives in salty water is placed in a tank containing fresh water. What do you think will happen to the cells of the fish?

Answers

Well, freshwater doesn't have the salt that a saltwater fish needs so the fish's cells(hypertonic cells) would become hypertonic which cannot mix with that fish's structure. Therefore, the fish, well, the fish would die.

A diamond has a density of 3.5 g/cm what is the mass of a diamond with a volume of 3.0cm

Answers

3.5g/cm×30cm=mass

mass= 105
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