4. A student squeezes a clothespin 82 times in a minute. Then, using the same hand and the same clothespin, he squeezes the clothespin 68 times in a minute. State one biological reason
for the decrease in the number of squeezes during the second trial and explain what is
happening in the body.

choosing tennis and golf balls is your inde choice.

their mass and volume are dep

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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3. dark matter

empty space could also be a simple vacuum