2. Fill in the following words in the right spaces in the text below:
cloud condensation nuclei oceans droplets deserts aerosols living organisms cloud
……………………………. can come from ……………………, from ……………… or from ………………………….. They may act as ………………………. so that ………………. can form, eventually making up a …………………..
3. Observation
Look out of the window and record the different cloud types you see throughout the day.
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