Per capita emissions of total greenhouse gases are highest in ...

[tingc95]

Per capita emissions of total greenhouse gases are highest in
 
  A) more-developed countries (MDCs).
  B) less-developed countries (LDCs).
  C) neither LDCs and MDCs; they are approximately equal.
  D) non-populated areas since greatest emissions associated with volcanic eruptions.

Question 2

Nitrogen (N2 ) is
 
  A) a key component of life, integrated into our bodies directly from the air.
  B) a product of the radioactive decay of a form of potassium in the crust.
  C) cycled through the environment via the activity of bacteria.
  D) now measured at 20.946 by volume in the homosphere.

[skipfourms123]

Answer to Question 1

A

Answer to Question 2

C

[tingc95]

Thanks for the timely response, appreciate it

[emsimon14]

TYSM