Marcia and her father are on a seesaw at a park. Since her father is heavier, he can only balance the seesaw if he sits closer to the pivot of the seesaw than Marcia does. When the seesaw is balanced, the force the pivot exerts on the seesaw is in the direction. In addition, the acceleration of the seesaw is .

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Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false