According to this lesson, how many major ice ages has the earth undergone? a. 10 b. 2 c. 4 d. 7

I would like to say it is C. I know that the earth had 5 major ice ages, but I think C is the closest to it.

Here’s the 5 Major ones if you need them;

1; The Huronian Ice Age
2; The Cryogenian Ice Age
3; Andean-Saharan Ice Age
4; The Karoo Ice Age
5; The Quaternary Ice Age

C is the correct answer hope it helps

D.successful because there were no legal protections for unions.