Earth Science - Unit 7: Quiz 3. Human Relationship

___________are causes of the "hole" in the ozone layer.

Chlorofluorocarbons (CFCs)

The _____ set guidelines on the amount of air pollution considered acceptable.

Clean Air Act of 1970

It is too late to remedy air pollution.

False

Over time, the Earth's orbit becomes more or less elongated. This change in orbit, which is linked to past cooling trends, is called a _____.

Milankovitch cycle

____________ been linked to climate changes.

Plate tectonics

Without the greenhouse effect, the earth might be too cold for most people to survive.

True

In the greenhouse effect, the earth's atmosphere acts like ___________ that warms the earth.

a blanket

Glass windows allow light in but trap the heat inside. This describes _____.

a greenhouse effect

Nitrogen oxides and sulfur oxides make _____.

acid rain

If you have respiratory or heart problems, _____ can make it worse.

carbon monoxide, sulfur oxide, nitrogen oxide.

It is believed that _________ may affect climate.

global warming

Certain gases in the atmosphere, like carbon dioxide, nitrous oxide, and methane, absorb heat and prevent it from escaping into space. These gases are _____.

greenhouse gases

Which of the following are measures taken to reduce air pollution?

higher fuel efficiency for cars, mass transit, like buses and trains, automobile emissions tests, limiting power plant emissions

Air pollution comes from _____.

human industrialization