Question

helicopter and hot air
3. Fill in the blanks.
a. All plants and animals need air to
b. Without air, the
balloons cannot fly.
c. When we cover a burning candle with a glass tumbler, it
stops
d. We use a bicycle
to fill air into the football.
e. Air is required to move the blades of a
f. Polluted air can make us fall
for
g. We should ride our bicycle or
shorter distances instead of using a car.​

Answer 1

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Answer 2

Answer:

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