The Mesozoic Era began about 250,000,000 years ago. The Palezoic Era began 292,000,000 years before that. How long ago did the Palezoic Era Begin?

Question

A. 42,000,000 Years

B. 492,000,000 Years

C. 542,000,000 Years

D. 556,000,000 Years

Answer 1

Add the two numbers. What do you get?