What were three things that the government tried to do during reconstruction

How do oceanographers measure the salinity of ocean water?

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by

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.