The process happens as the warm air is said to be less dense than that of the colder air. Another good example of convection current is wind.
Overhunting and overfishing can cause animal populations to grow endangered or become extinct.
The more people that are migrating to urban areas (urbanization) needs more crops for the citizens which causes more people to grow crops and without crop rotating or methods to prevent soil degradation. More likely answer is that more industry grows in the urbanized areas and they have poor management of the soil which causes soil degradation<span />
The asthenosphere and the lithosphere are parts of the Earth's geosphere. The correct answer is A.
Answer:
A supernova results in a massive explosion of a star.
