Question

Rainforests cover about ______ percent of the Earth's surface and contain more than _______ percent of the plant and animal species in the world.

A. 50,90 
  B. 6, 50
  C. 40, 5
  D. 25, 75

Answer 1

Rainforests cover about 6% of the Earth's surface and contain more than 50% of the plant and animal species in the world.

Answer 2

Rainforests cover about 6% of the Earth's surface and contain more than 50% of the plant and animal species in the world. (B)

Hope this helped :)