Earth's Resources and Human Impact

Front

Human activities are increasing the level of greenhouse gases in the atmosphere.

Back

True

Front

What is an effect of rising temperatures in the atmosphere?

Back

melting glaciers and rising sea levels

Front

One cause of rising global temperatures is increasing levels of _________________________.

Back

greenhouse gases

Front

The most abundant greenhouse gas is _______________.

Back

carbon dioxide

Front

What helps keep our Earth's surface warm?

Back

greenhouse effect

Front

Melting glaciers are causing ___________________ to rise around the world.

Back

sea levels

Front

These gases trap and hold energy of the sun in the atmosphere around the Earth and heat it.

Back

Greenhouse Gases

Front

What is evidence that the Earth is getting warmer over time?

Back

Ice caps melting

Front

What is a reasonable change from increased burning of fossil fuels?

Back

There would be a global rise in temperatures

Front

How is the atmosphere heated in the greenhouse effect?

Back

The greenhouse gases trap heat that comes off the earth's surface.