Which of these is not an accomplishment of the apollo missions ? a. to land on the moon b. to orbit the earth for two weeks c. to study the surface of the moon d. to send rovers to the moon mark me brainliest

b – to orbit the earth for two weeks

Explanation:

Various Apollo missions have been sent by NASA to do the scientific researches.

Apollo missions have successfully accomplished to land on moon, to study the surface on the moon and to send rovers to the moon. Yet, to orbit the earth for two weeks is still to be accomplished.

Thus, the correct answer is option b.

However, many organisms have developed strategies to carry out metabolism without oxygen, or can switch from aerobic to anaerobic cell respiration when oxygen is scarce. During cellular respiration, some living systems use an organic molecule as the final electron acceptor.

Explanation:

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