EARTH SCIENCE
SEISMOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What causes convection currents in the mantle?
|
Heat from the core
|
|
Tectonic plate motion
|
|
Continental drift
|
|
Earth’s rotation on its axis
|
Explanation:
Detailed explanation-1: -Heat from the core and the mantle itself causes convection currents in the mantle. Hot columns of mantle material rise slowly. At the top of the asthenosphere, the hot material spreads out and pushes the cooler material out of the way. This cooler material sinks back into the mantle.
There is 1 question to complete.