In the following situation, what happens to the rate of photosynthesis: Good manuring in the area?

Which raw material is responsible for the release of $O_2$ in photosynthesis?

$X$ is a wild animal which eats only the flesh of other animals, whereas $Y$ is a domestic animal which feeds mainly on green grass. $(a)$ What are animals like $X$ known as? $(b)$ What are animals like $Y$ known as? $(c)$ Which animal, $X$ or $Y$, has a longer small intestine? Why? $(d)$ Name one animal which is like $X$. $(e)$ Name one animal which is like $Y$.

Raisins are wiped off gently before final weighing with the help of:

Name a gas used in photosynthesis.

An enzyme that acts only in an acidic medium is . . . . . . .