Which one of the following statements about the carbon, ...

[nelaaney]

Which one of the following statements about the carbon, phosphorus, and nitrogen cycles is true?
 
  A) The major source of carbon used by plants is the carbonate rocks and soil.
  B) The major source of nitrogen used by plants in photosynthesis is the atmosphere.
  C) Phosphorus has no atmospheric component.
  D) Soil bacteria drive the phosphorus cycle.

Question 2

Yucca Mountain in the state of Nevada is
 
  A) the location of a leaky nuclear power plant that will cost billions of dollars to clean up.
  B) the only potential site for long-term commercial nuclear waste storage in the United States, rejected for safety concerns in 2009.
  C) a military base that has accumulated low-level and high-level nuclear waste for many decades.
  D) the site of a lake that received illegal dumping of nuclear waste in the 1960s.

[FergA]

Answer to Question 1

C

Answer to Question 2

B

[nelaaney]

TYSM

[marict]

Excellent