Answer:
A
Explanation:
D is not correct because the atmosphere doesn't expand, C isn't correct because the Sun doesn't heat all the Earth evenly (hence different climates), B is not correct because cold fronts can be singular, so it has to be A
Answer:
Diffusion is the movement of water across a selectively permeable membrane.
Explanation:
Hope it helps.
Answer:
You would find the greatest variety of species in the tropics, and coral reefs. The Amazon basin in South America has the largest area of tropical forests where you could find the most variety of species.
Explanation:
Answer:
I am pretty sure the answer is Melting
Explanation:
Answer:
insulin
Explanation:
the simple mould that grows on aging food is used to make insulin
