Which type of ecosystem has the greatest variation in temperature from its top to its bottom? A. lake
B. pond
C. ocean
D. estuary

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

How do adaptation affect a species?

How do antiviral drugs work? in your own words.