This is the most abundant gas in the atmosphere:

A) nitrogen.
B) oxygen.
C) carbon dioxide.
D) water vapor.


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

When was the Younger Dryas period?

A. about 1,200 years ago B. about 120,000 years ago C. about 120 years ago D. about 12,000 years ago

Environmental & Atmospheric Sciences

A new fish has been discovered in Indonesia, and given the genus name ________ and species name ________.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

In humans, the maintenance of a warm, stable body temperature around 37 degrees Celsius is

A. the result of feedback regulation of blood pH. B. related to the function of melatonin. C. an example of homeostasis. D. a result of fMRI.

Environmental & Atmospheric Sciences

Most European cities are densely populated

Indicate whether this statement is true or false.

Environmental & Atmospheric Sciences