Why don't solids, liquids, and gases leave Earth's atmosphere? options:

Only gases can leave the atmosphere.

Matter on Earth is destroyed and recycled.

Gravity keeps all matter on Earth.

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Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

Why do you need to classify the size of a particle