How are earthquakes and volcanoes related

What is a group of organisms that are closely related and share similar characteristics

Where can dna be found in a prokaryotic cell

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere