The movement of material due to differences in density is called Convection.
Earth has algae and plants that make oxygen to lessen the amount of CO2 and replace it with O2 while venus does not
Answer: an earthquake is caused when the tectonic plates either collide or separate this causes the earth to shake
Explanation: you can protect yourself from it by finding a safe place underground
North America is somewhere in the middle when it comes to its size, as it looks much larger than it actually is due to the fact that the map projection adds extra land when transferring a sphere to a rectangular map. It is smaller than Africa and Asia, but it is larger than Europe and Australia.