Multiple Choice
The Earth's surface is protected from solar wind and cosmic radiation by
A) the Earth's gravitational field.
B) the Earth's magnetic field.
C) a large,metallic shield launched into orbit by NASA in the 1960s.
D) a powerful stream of ions emitted by the Sun.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q14: Most meteorites are asteroidal or planetary fragments.As
Q15: Which planets lie within the habitable zone
Q16: Neil Armstrong and Buzz Aldrin were the
Q17: Look at the following image of our
Q18: The atmosphere is divided into several distinct
Q20: Why is it less strenuous to go
Q21: Which of the following is NOT true
Q22: _ was the first human to orbit
Q23: The image below shows an example of
Q24: Compared to oceanic crust,continental crust is<br>A) thicker.<br>B)