Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
Answer:
b. Seasons would be less pronounced
Explanation:
Seasons happen as a result of tilt in the earth's axis, by the changing angles that sunlight strikes the Earth, a decrease in tilt would mean less extreme seasons meanin less tilt would mean less of a change in angle around the orbit and therefore cooler summers and warmer winters.
