WHY WAS THERE SO MUCH GLOBAL WARMING DURING THE JURRASTIC PERIOD

In what way does renewable energy differ form nonrenewable energy?

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.