Page 161 - Benchmark-3.3
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Earth: A Planet of Water
When it is warm outside, snow on mountaintops
melts. The sun melts the snow, and it becomes
water. The water flows down the mountains.
Glaciers are made of ice and snow. Glaciers are in
the coldest zones on the earth.
Check
What are glaciers made of?
Ice and snow. / They are made of ice and snow.
Unit 6 | Earth: A Planet of Water
