They find shells that other crabs have left behind and use them
Answer:
you didnt give us the equation
Explanation:
The first option for 1 and the second option for 2
A body of permeable rock which can contain or transmit groundwater.
<span>Three months after fertilization and development of a placenta around the developing fetus, the corpus luteum regresses and forms the corpus albicans.</span> Formed placenta takes over progesterone production (which was the role of corpus luteum) and the corpus luteum degrades into a corpus albicans. The corpus luteum is being broken down by macrophages, in a process called luteolysis. The remains of the corpus albicans may persist as a scar on the ovary.
