Climate Changes

Front

The entrapment of gases in the atmosphere is known as the ___________.

Back

Greenhouse effect

Front

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

Back

heat

Front

Scientists observe the thickness of a tree's _________ to learn about past climate conditions.

Back

rings

Front

The gradual increase in the temperature of the atmosphere is known as ___________________.

Back

global warming

Front

Scientists observe the thickness of a tree's _________ to learn about past climate conditions.

Back

rings

Front

Climate changes may be linked to changes in the number of _______________ on the surface of the sun. Options: sun spots, air masses, seasonal winds, currents

Back

sun spots

Front

The most abundant greenhouse gas in the atmosphere is ___________________.
Options: oxygen, nitrogen, carbon dioxide, argon

Back

carbon dioxide

Front

Possible human solutions for limiting global warming and climate change are...

Back

all of the above (being more energy-efficient, using renewable sources of energy, removing carbon from fossil fuel emissions)

Front

This is released by mining, livestock, and agriculture.

Back

methane

Front

How does carbon dioxide get into the atmosphere?

Back

All of the above