Arctic ice plays an important role in cooling the earth. which evidence from the passage best supports this statement?

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

In the diagram below, ab and bc are tangent to o. what is the measure of

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.