What is Snowball Earth?

When did the snowball earths occur?

Who originated the concept of snowball earth?

What are cap carbonates?

What caused the snowball earths?

How did the snowball earths end?

Could a snowball earth occur again?

How did life survive the snowball earths?

Did the snowball earths kick-start complex life?

What is the evidence for snowball earths?

What is the evidence against the snowball earths?