<span>the correct answer for this question is C - the currents responsible for powering the movement of tectonic plates are convection currents. Convection currents are those currents that occur due to a temperature exchange.</span>
Answer:
it tells us that there is low and high atmospheric pressure
<span>The correct answer here is drought. A drought is when there is a shortage of water, due to a long period of time in which there if far less rainfall than would normally be expected in any one area.</span>
Changes in the orbit of the earth caused the ice sheets to spread across Canada.