The ozone layer in the upper atmosphere

A. shields the earth from the sun's ultraviolet rays.
B. facilitates temperature inversions.
C. maintains the pH of rain.
D. is the key component of smog.


A. shields the earth from the sun's ultraviolet rays.

Health & Biomechanics

You might also like to view...

The combining form that means glue is ________.

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

Health & Biomechanics

A normal depth and rate of respiration is known as ________

Fill in the blank(s) with correct word

Health & Biomechanics

It takes the liver approximately ________ to oxidize the amount of alcohol in a standard drink.

A. 1 hour B. 30 minutes C. 15 minutes D. 2 hours

Health & Biomechanics

An excessive (more than normal) amount of sugar in the blood is called:

a. hypothyroidism b. hyperthyroidism c. hyperglycemia d. hypoglycemia e. hypodermic

Health & Biomechanics