<span>Answer: a. take place in nuclear reactors
</span><span>Controlled nuclear chain reactions are the reaction in nuclear reactors. The reaction is controlled to make its rate slower. This will make the reaction relatively safer, so the energy produced can be changed into electricity in power plant. When the reaction is not controlled, it could cause explosive like in nuclear bomb.</span>
I just took the QUIZ the answer to this question is
The phenotype frequency does not change.
Uranium-235 is the answer
Answer:
2.1 As food.
2.2 For clothing and textiles.
2.3 For work and transport.
2.4 In science.
2.5 In medicine.
2.6 In hunting.
2.7 As pets.
2.8 For sport.