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Define ice age
when earths average temperature was low and glaciers spread.
Factors that influence climate change, name two
changes in earth's movement in space, changes in sunspots, volcanic eruption, us
Name at least three impacts of climate change related to weather.
floods, drought, heatwaves, wildfires, crop yields (less), pests
Complete the sentence; We'd be dead without greenhouse gases, because...
all the heat would escape from earth and we'd freeze.
The two main greenhouse gases are...
carbon dioxide (CO2) and methane (CH4)
What are fossil fuels?
coal, oil, gas
What is a greenhouse gas?
they trap heat around the earth.
Give the 2 effects of asteroid colliding with the earth.
Sea level rise, mass extinction, no light for photosynthesis, high temperature, tsunami and tornado
