Now compare fertilizer use in 1960 to fertilizer use in 2000. Express the year 2000 N fertilizer use as a percentage of N fertilizer use in 1960. (2)

a. 67%
b. 7%
c. 15%
d. 667%

Answer: d. 667%

Environmental & Atmospheric Sciences

You might also like to view...

What product has been grown in the Golden Triangle region of northern, mountainous Southeast Asia?

A) coca B) wheat C) bananas D) opium E) rice

View
Environmental & Atmospheric Sciences

Differentiate between the terms critical number and carrying capacity. What is density dependence?

What will be an ideal response?

View
Environmental & Atmospheric Sciences

Earth's crustal rocks have a higher density compared to the Earth as a whole.

Answer the following statement true (T) or false (F)

View
Environmental & Atmospheric Sciences

Which element is primarily involved in causing brown-air smog over Los Angeles, CA?

A. nitrogen B. sulfur C. carbon D. radon

View
Environmental & Atmospheric Sciences