The answer is d. A large asteroid or comet impacted the Eartg
The seasons are caused as the Earth, tilted on its axis, travels in a loop around the Sun each year. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun. As the Earth travels around the Sun, the hemisphere that is tilted towards or away from the Sun changes.
Answer:
Explanation:
Her diagnosis puts her at higher risk of developing a malignant neoplasm
B. Spermatogenesis.
Make gametes are called sperm, and
Spermato-sperm
genesis-creation