What is the largest advantage of nuclear energy? (a)It produces very little CO2
(b)It produces lots of energy
(C)It is relatively safe
(d)We have lots of Uranium

b

Explanation:

Nuclear is the largest source of clean power in the United States. It generates more than 800 billion kilowatt hours of electricity each year and produces more than 55% of the nation's emissions-free electricity.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !