Answer:
A. sexual reproduction must occur.
Explanation:
i may be wrong because we cant see the models but biased on what i know A seems to be the correct one.
i'm sorry i couldn't be more help.
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Two atoms that contain the same number of protons but different neutrons are isotopes of the same element.their masses are different but they react the same way chemically
Answer:
The cycle of catabolic reactions of pyruvate is named the citric acid cycle. As a result, energy is produced in the form of NADH. It enters the electron transport chain from where energy is released along with oxygen. So the correct option is e.
Answer:
Flu vaccinations are fundamental as they reduce the risk of flu illness by over 50%.
Explanation:
Flu vaccinations reduce the risk of flu illness by over 50%. This makes this process extremely important and fundamental for all human beings as they not only protect the person who gets the vaccine, but it also contributes to the prevention of spreading to other people, especially children and older adults who possess a greater risk of developing flu complications.
The antibodies that are produced by the vaccine prevent the flu virus from attaching to a healthy cell. However, if a person has not been vaccinated, the virus will attack the healthy cells because there is an absence of antibodies that prevent this process.