When children are school-age, they are forming their identity and developing their sense of (fill in the blank)

What percentage of light hits earth's surface directly?

Construct at least two possible hypotheses for the student’s experiment.

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u. s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u. s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u. s.