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melomori [17]
2 years ago
11

How did the drought most likely affect populations of grasshoppers living in the grassland ecosystems? Choose the correct answer

.
A. The insects adapted to eat other available foods instead of grass.

B. Populations increased because other insects were eliminated from the environment. C. Populations decreased because the resources the grasshoppers needed were not available.

D. Populations of grasshoppers were not affected because the size of a population cannot change over time.
I need help
Biology
1 answer:
makvit [3.9K]2 years ago
4 0

Answer:c

Explanation:

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Why might using retroviral vectors for gene therapy increase the patient's risk of developing cancer? a. Retroviral vectors may
Svetllana [295]

The use of retroviral therapies can increase the patient's risk of developing cancer because they may integrate recombinant DNA into the genome in ways that may misregulate the expression of genes. Therefore the correct option is D.

<h3>What is retroviral therapy? </h3>

Retroviral therapy is an HIV treatment where medicines are taken as prescribed by a healthcare professional. This treatment reduces the amount of HIV in an HIV-infected person.

HIV does not have a cure but antiretroviral therapy can reduce the risk of potential health issues caused by HIV.

This treatment can help to control the virus in an HIV-infected person within 6 months. The treatment for HIV cannot prevent the transmission of other sexually transmitted diseases.

Therefore the correct option is D.

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7 0
2 years ago
What law of motion states that if no Force acts on an object at rest it will remain at restbb​
Korvikt [17]
Hey there!

The answer is

Newtons first law of inertia. "An object with no net forces acting on it which is initially at rest will remain at rest. If it is moving, it will continue to move in a straight line with constant velocity"

Hope i helped!

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4 0
3 years ago
Four differences between Arteries and Veins
Mademuasel [1]

Answer:

Veins

1l carry blood from tissue of the body to the heart

2) are usually found closer beneath the skin

3) are less muscular then arteries

4) collapse if blood flow stops

arteries

1) carry blood back away from the heart to the tissue of the body.

2) found deeper within the body

3) are more muscular then veins

4) would generally remain open even if blood stops because of it's muscular structure.

4 0
2 years ago
Drag each label to the correct location on the chart. Classify each process as weathering or erosion. PLEASE HELP me (I'm stuck)
Andreas93 [3]

Lets do numbering of the labels to make labelling clear.

1. The Colorado River carves land in Arizona to form the Grand Canyon.

2. Cracks form in a sandstone wall surrounding a house.

3. A marble statue near the science museum is changing color due to rainfall.

4. After a rainstorm, soil and rock pieces litter the roadways.

5. The sand dunes in the Sahara Desert are changing shape.

Answer:

Weathering:

2. Cracks form in a sandstone wall surrounding a house.

3.A marble statue near the science museum is changing color due to rainfall.

Erosion:

1. The Colorado River carves land in Arizona to form the Grand Canyon.

4. After a rainstorm, soil and rock pieces litter the roadways.

5. The sand dunes in the Sahara Desert are changing shape.

Explanation:

Weathering and erosion, in both the processes rocks are broken down into particles but both the processes are different from each other. Weathering can be physical, chemical or biological process in which rock particles degrade without any movement while erosion is purely a movement of sediments in which particles move from one place to another under the influence of water and wind.

So, on the basis of this difference we can classify each label to the correct location:

<u>Weathering (no movement of particles after degradation):</u>

2. Cracks in a sandstone wall of a house.

3. Changing color of marble statue due to rainfall.

<u>Erosion (Movement of particles from one place to another):</u>

1. Formation of Grand Canyon, when the Colorado River carves land in Arizona.

4. Soil and rock pieces litter on roadways after rainstorms.

5. Changing shape of dunes in sahara desert.

6 0
3 years ago
Where are proteins built? (short answer plz)
sdas [7]

Answer:

Ribosomes

Explanation:

4 0
2 years ago
Read 2 more answers
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