<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>
The sun is a source of energy
The female internal reproductive organs are the vagina, uterus, Fallopian tubes, and ovaries.
Vagina.
Cervix.
Uterus.
Fallopian tube.
Ovaries.
Vaginitis.
Bacterial vaginosis.
Yeast infection.
More items...
Answer:
cervix
Explanation:
abnormal cells lead to cervical cancer, so doctors do pap smears
