Question

A) Explain explain some harmful effects of agricultural practices on environment.
B) Differentiate between biodegradable and non biodegradable pollutants give examples.
C) The existence of decomposer is essential in ecosystem give reason.​

Answer 1

Answer:

A) Deforestation: To increase the agricultural land large amounts of trees are cut every day. The roots of those trees which are tightly bound to the soil become loose and the quality of soil degrades. Deforestation also causes loss of biodiversity, soil erosion.

B) Ans in attachment

C) Decomposers include micro-organisms such as bacteria and fungi that obtain nutrients by breaking down the remains of dead plants and animals. The existence of decomposers is essential in the ecosystem because: ... they help in the recycling of nutrients by decomposing dead animals and plants.

Answer 2

Explanation:

a.To increase the agricultural land large amounts of trees are cut every day. The roots of those trees which are tightly bound to the soil become loose and the quality of soil degrades. Deforestation also causes loss of biodiversity, soil erosion.

b.Biodegradable pollutants Non-biodegradable pollutants

Example includes vegetable peels. Example includes plastic.

They do not cause much harm because they are rendered harmless. They cause harm to environment and animals.

c. Decomposers include micro-organisms such as bacteria and fungi that obtain nutrients by breaking down the remains of dead plants and animals. The existence of decomposers is essential in the ecosystem because they help in the recycling of nutrients by decomposing dead animals and plants.