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Why are some plants so good at surviving in hot weather?
Why do leaves change colour in the autumn?
If there is a time where there is too much CO₂ in the air would be die?
Why is Australia so hot when it’s not near the equator?
Why is snow white, and ice clear?
When a car accelerates, and it makes you/you are forced to lean back, what force is that? Is it gravity?
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