Nationwide in the United States, particulates come mostly from ...

[lunatika]

Nationwide in the United States, particulates come mostly from ________, but in urban areas they are derived from vehicles and industrial sources.
 
  A) soil erosion
  B) smoke from burning forests
  C) coal-fired power plants
  D) roads and construction sites
  E) non-U.S. sources

Question 2

China and India together are about ________ percent of world population, but they have less than ________ percent of the world's renewable fresh water.
 
  A) 75; 21
  B) 37; 29
  C) 37; 9
  D) 25; 4
  E) 50; 9

[leahchrapun]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: C

[lunatika]

Gracias!

[upturnedfurball]

TYSM