TRUE OR FALSE?
An ice age is a long period of reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and glaciers.
TRUE
TRUE OR FALSE?
There have been at least nine major ice ages in the Earth's history.
FALSE - AT LEAST 5
TRUE OR FALSE?
Volcanic eruptions may have contributed to the beginning and/or the end of ice age periods.
TRUE
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