8.2-Climate Change - 1

The greenhouse absorbs energy from the ____ to warm the air inside.

• Moon

• Sun

• Stars

• Planets

If there were no ____, all the thermal energy from Earth would escape to the space and there would be ice-age.

• Greenhouse gases

• Oceans

• Clouds

• Mountains

Carbon dioxide, Methane, Nitrous oxide, Water vapors are examples of:

• Solid particles

• Metals

• Greenhouse gases

• Rocks

The ____ of the tree show events and climate conditions in the past shaped the tree's growth.

• Roots

• Leaves

• Rings

• Bark

The climate of Earth remains stable because of the ____ in the atmosphere.

• Oxygen

• Greenhouse gases

• Dust particles

• Nitrogen

Fossils of warmer climate found in Antarctica suggests that long time before Antarctica was ____.

• Cold

• Wet

• Warm

• Dry

The ____ is a gradual or sudden change in Earth's climate.

• Weather

• Greenhouse effect

• Climate change

• Global warming

The ____ is the process in which trap gases in the atmosphere heat up the Earth.

• Photosynthesis

• Greenhouse effect

• Precipitation

• Radiation

Rock deposits form glaciers in the warm regions suggests that those areas were ____ before.

• Hotter

• Colder

• Wetter

• Windier