Answer: C. mollusca and arthropoda
Explanation:
Definitely not D i would guess A or B
Answer:Attemted Failed
Maybe try to search
In a different way like:
what is the ingredient of cake
Instead of
how to make Cake
answer is A
The kinetic theory is used to explain the behaviour of gases.
One of the assumptions states that "a gas is composed of a large number of identical molecules moving at different speeds".
