Envi 13

global warming

A predicted increase in Earth's average temperature caused by human activities and the subsequent release of gases such as carbon dioxide is known as

increased rainfall

An effect of El Nino is ________ in the southern part of the Unites States.

ozone

Stratosphere _______ is destroyed by chlorine atoms released from CFCs.

greenhouse effect

The _______ is a process by which the atmospheric re-radiates infrared radiation back to Earth's surface and thereby warms Earth's surface and lower atmosphere.

Montreal Protocol

The ________ is an international agreement that limits CFC production.

DNA

Damage to ________ in cells of living organisms is caused by exposure to UV radiation.

El Nino

During an _______ period, winds push warm water eastward in the Pacific Ocean.

chlorine

The development of an ozone hole over the poles is a result of human activities and begins when molecular ______ from chlorofluorocarbons is released into the atmosphere and collects on polar stratospheric clouds.

weather

The statement "It's hot and sunny today--the temperature is 88F at 11 a.m" describes

remain or persist

Through CFC production has been cut back, the threat to stratospheric ozone continues because CFCs _______ in the atmosphere for decades.

prevailing

Trade winds, westerlies, and polar easterlies are examples of ________ winds.