Author Question: Which component of Earth's geology is believed to have been largely responsible for the long-term ... (Read 118 times)

Chelseaamend · **on:** Jul 27, 2018

Which component of Earth's geology is believed to have been largely responsible for the long-term climate stability that has allowed life to evolve?

A) global magnetism
B) seismic activity
C) plate tectonics
D) erosion and weathering

Question 2

If the conditions required for substantial amounts of oxygen to build up in a planetary atmosphere are quite rare, then life on other worlds

A) will probably not be present
B) will progress much more rapidly because there would be less oxidation
C) will progress at a similar rate as that on the Earth, except that it will remain anaerobic
D) may still be common but may never be able to evolve past microscopic forms