Answer:
The four seasons happen because of the tilt of the Earth's axis. At different times of the year, the sun's rays hit different parts of the globe more directly. The angle of the Earth's axis tilts the Northern Hemisphere towards the sun during the summer.
Explanation:
Soil is a mixture of weathered rock and organic material.
D; Hardy- Weinberg requires a very large population size so that genetic drift can be insignificant.
