Calculate the percent increase in CO2 between 1960 (at 320 ppm) and 2010 (at 400 ppm). The best answer is





A) 20%.

B) 25%.

C) 80%.

D) 400%.


B) 25%.

Environmental & Atmospheric Sciences

You might also like to view...

A marine regression is a period of lower sea level. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Batholiths are ____

a. composed of extrusive igneous rock b. mushroom-shaped flows of basalt c. horizontal sheets of intrusive igneous rock d. the largest type of igneous intrusion

Environmental & Atmospheric Sciences

Which tectonic boundary is responsible for the most powerful and destructive earthquakes recorded?

A) Transform B) Divergent C) Convergent

Environmental & Atmospheric Sciences

Worldwide, a rise in the female education correlates most strongly with

A) education abroad. B) life expectancy. C) obesity. D) agricultural density. E) a decline in total fertility rates.

Environmental & Atmospheric Sciences