<span>Basal Body Temperature (BBT) is the body temperature upon waking up
or when a person is at rest. After ovulation, a woman’s BBT rises because of increase in
progesterone level. BBT swill stay high throughout the post-ovulation phase and
until the following cycle. If there is pregnancy, BBT will stay high.</span>
Both answers C and D are correct, however, answer D makes more sense.
Answer:
C
Explanation:
They all live in the water
