Q3 of 45 Page 543

Which gas is formed by decomposing plant and animal matter in marshy areas?

Methane gas is formed by decomposing plants and animal matter in marshy areas


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1

Give the technical term for the graphical representation of the trophic structure in a food chain.

 2

What type of bond is present in F2?

 4

Three elements B, Si and Ge are known by which name?

 5

Mention one drawback of monoculture.