The movement of the tectonic plates is caused by?
a) convection currents in earth's mantle.
b) the gravity of the iron-nickel core.
eliminate
c) the rotation of the earth.
d) the moho discontinuity.

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

What is the momentum of a 47-gram tennis ball that is traveling at 40 m/s

Which of the following is used to answer scientific question? a. intuitionb. opinion pollsc. experimentd. imagination