According to the theory of plate tectonics, what drives the motion of the continents?

A. Earth's strong magnetic field

B. moving magma in the mantle

C. strong winds along the equator

D. volcanic islands in the ocean

E. changing ocean currents

One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.

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.

Macbeth and lady macbeth are partners in the nurder of duncan and both become