As of 2015, natural gas A) used in automobiles produces more ...

[javeds]

As of 2015, natural gas
 
  A) used in automobiles produces more pollutants than gasoline.
  B) when burned in automobiles, produces only water and no carbon dioxide or other pollutants.
  C) reserves in the United States may last many decades, even with increased demand.
  D) consumption in the United States is declining as available resources decline.

Question 2

Which of the following best describes most ecosystems?
 
  A) They are sharply divided from other ecosystems.
  B) They consist of two or more distinct landscapes.
  C) They grade into other ecosystems in regions called ecotones.
  D) They are clustered with other ecosystems to form communities.

[Brenm]

Answer to Question 1

C

Answer to Question 2

C

[javeds]

TY

[Brenm]

Happy to Help