Question

Which sentence best states the main idea of paragraph 4?

A: a huge magnetic field surrounds earth
B: earths magnetic field protects it from all types of space weather
C: earths magnetic field reduces the power of CMEs
D: earths magnetic field forces solar wind to slip around the planet

Answer 1

Answer: B: earths magnetic field protects it from all types of space weather

Explanation: There is no text provided but this is the one that seems like it would be a good summary compared to the other answers.

B would be your best option because it explains the text more.