What is a possible effect of a magnetic reversal on Earth's organisms?
A) Species become extinct as they lose their navigational ability.
B) Organisms are subjected to greater amounts of cosmic radiation.
C) Organisms are subjected to greater amounts of radioactivity.
D) Organisms will change their habitats with the accompanying climate change.

Question

Quizplus · Accepted Answer

During a magnetic reversal, the Earth's magnetic field weakens, which can lead to increased exposure to cosmic radiation.

What Is a Possible Effect of a Magnetic Reversal on Earth's