Years ago, the earth was divided into two continents, gondwanaland and laurasia.
a. 50 million
b. 200 million
c. 2 billion
d. 3.5 million years ago

The answer to this question is the letter "B" which is 200 million years ago, the was divided into two continents and these two continents are Gondwanaland and Laurasia. But now, we have already seven continents in the world and these are Asia, Africa, Antartica, Australia, Europe, South America and North America.