Rainforests occupy approximately ________ of the world's land ...

[altibaby]

Rainforests occupy approximately ________ of the world's land area, but represent about ________ of Earth's species.
 
  A) 7; 50 B) 10; 35 C) 2; 12 D) 12; 65

Question 2

in the lower troposphere
 
  A) causes lung irritation, asthma, and susceptibility to respiratory illness in humans.
  B) is not associated with transportation.
  C) has not been found to cause any damage to crops and plants.
  D) forms acid rain.

[Juro]

Answer to Question 1

A

Answer to Question 2

A

[altibaby]

Gracias!

[ghepp]

Wow, this really help