End Ordovician, 444 million years ago, 86% of species lost
— Graptolite 2-3 cm length
Answer: Earth's rotation
Explanation: As the earth rotates around its own axis and revolves around the Sun different parts of the earth get different times and different seasons when it's winter in the northern hemisphere it's summer in the southern hemisphere
Answer:
In college, your professors rarely reach out to you. High school educators often take more initiative, and would often check in with you if they notice something off. In college, you're expected to take that initiative and actively network with your professors.