Ocean current movement can be affected by changes in density use salinity and temperature to explain how ocean currents rise and fall (not tides & waves) from these changes

Which of the following is not a pillar of the nuclear proliferation treaty? nonproliferation reduction of nuclear weapons by 85-90% right to peacefully use nuclear power disarmament

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.