Fill in the blanks to complete the statements about the gases in Earth’s atmosphere. Earth’s atmosphere is mostly nitrogen, which makes up about 78 percent of the atmosphere, and __?__ , which makes up about 21 percent. _?__ in the air condenses around tiny particles, causing clouds and rain. The gas__?__ exists in small amounts but is very important because plants use it to make food.
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oxygen
water vapour
carbon dioxide
Earth’s atmosphere is mostly nitrogen, which makes up about 78 percent of the atmosphere, and oxygen which makes up about 21 percent.
water vapour in the air condenses around tiny particles, causing clouds and rain.
the gas carbon dioxide exists in small amounts but is very important because plants use it to make food.
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4
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Explanation: 1. Ans is Oxygen as it consists 21% of earth's Atmosphere .
2. Ans is Water Vapour as it forms clouds .
3. Ans is Carbon Dioxide as it exists in Small Amounts and it helps plants for to make food
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