1) Earth’s weather is becoming different. It’s about … a) sea levels b) climate change c) renewable energy 2) Solar energy never runs out. It’s … a) renewable energy b) greenhouse gases c) climate change 3) It can be cold or warm on top. It’s a … a) renewable energy b) surface temperature c) polar ice cap 4) … are gases that raise the surface temperature of our planet.  a) Fossil fuels b) Rainforests c) Greenhouse gases

Global warming

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