Question

Revision test L1 1 what is vermicomposting? 1.Which type of worms are used for it.
2 DEFINE Biodegradable, non biodegradable, Decomposers, scavengers. Give two examples of each
3How does decomposition of dead animals turn out to be useful?
4 write three activities that can help to save the environment.​

Answer 1

-11/27 , B=4/9 and C= -5/18 then verify that a+(b+c) = (a+b)+c

Answer 2

Answer:

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Explanation:

Photosynthesis : The process by which green plants and other green organisms prepare their food own by getting water and nutrients from soil, sunlight from sun and in presence of carbon dioxide and chlorophyll they can prepare. Humans and other non-green organisms can't do this process because they didn't have chlorophyll that is why only plants and other green organisms can prepare their food own.