The three common parts of a nucleotide are a nitrogen base, a phosphate group, and a pentose sugar.
Answer:
help interpret earth's past
great environmental indicators
created from living things that are buried
help us understand day to day life forms and ancestors
Explanation:
Answer:
E. ozone layer.
Explanation:
The pattern of temperature increase with height in the stratosphere is the result of solar heating as ultraviolet radiation in the wavelength range of 0.200 to 0.242 micrometre dissociates diatomic oxygen (O2).