What do most scientists now think causes the planet's crustal plates to move thus causing earthquakes and volcanoes to occur?

Which of the following is defined as combinations of soil particles that vary in size and shape?

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.

The largest employer of cartographers is the