Why are areas near the equator warm year round? Why are the polar areas cold even in summer?

I feel so dumb but please help and tysvm your amazing

Solar energy heats the equator consistently throughout the year. The colder poles receive less solar energy due to Earth's curvature and axial tilt. The equator temperature averages above 64°F all year. The north pole ranges from 32°F to −40°F and the south pole annually varies from −18°F to −76°F.

Explanation:

1. dermis

2. chemical

3. urine

4. viruses

5. antibodies

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.