End of Semester Test: Biology with Virtual Labs B

Select all the correct answers.

Soil erosion is a process where the top soil layer is washed away because of the effects of water or wind. An agricultural area loses its topsoil due to excess flooding. What three actions can be taken to stop the erosion and conserve the fertility of the land?

A. Plant vegetation so that their roots hold the soil firmly.
B. Build walls around the farm area.
C. Add natural fertilizers to the soil.
D. Cut down tall, strong trees that stand in the middle of the farm.
E. Increase the plowing of soil and grazing in the farm area.

Question

19-06-2024
Biology

Answered

End of Semester Test: Biology with Virtual Labs B

Select all the correct answers.

Soil erosion is a process where the top soil layer is washed away because of the effects of water or wind. An agricultural area loses its topsoil due to excess flooding. What three actions can be taken to stop the erosion and conserve the fertility of the land?

A. Plant vegetation so that their roots hold the soil firmly.
B. Build walls around the farm area.
C. Add natural fertilizers to the soil.
D. Cut down tall, strong trees that stand in the middle of the farm.
E. Increase the plowing of soil and grazing in the farm area.

Answer :

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Final answer:

Soil erosion is a natural process accelerated by human activities like plowing and construction. To prevent erosion and conserve soil fertility, planting vegetation, adding natural fertilizers, and preserving trees are vital actions.

Explanation:

Soil erosion is a natural process where surface soil is carried away by agents like water or wind. Human activities such as plowing, construction, and logging accelerate erosion. To prevent erosion and conserve soil fertility, actions like planting vegetation for root support, adding natural fertilizers for soil health, and avoiding the cutting down of trees that hold soil stability are crucial.

Learn more about Soil erosion and conservation here:

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