Question

(a) From the following group of organisms create a food chain which is
the most advantageous for Human beings in terms of energy.

(b) State the possible disadvantage if the cereal plant is growing in soil

rich in pesticides.

(c) Construct a food web using the organisms mentioned above. 3

OR

(a) Write two harmful effects of using plastic bags on the environment.

Suggest alternatives to the usage of plastic bags.

(b) List any two practices that can be followed to dispose off the waste
produced in our homes.

Answer 1

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Explanation:

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