Answer:
There are five types of placentation that occurs in flowering plants i.e. axile, marginal, parietal, basal, superficial placentation.
D is the answer. Mutations can cause MANY problems.
Answer:
This statement is true. Wind is from hot air mixing with cool ground, vice-versa.
Answer:
The tilt of Earth's axis affects the angle of sunlight on Earths surface.
Explanation: