When marine animals die, their shells decay into limestone. when the limestone is exposed ? is released. this is a process known as?

Fossilization

Explanation:

Fossilization represents the various processes of transformation of very old remains or remains, called fossils. Thus, when a living organism dies, the natural process is done by decomposing from the proliferation of bacteria and fungi. An example of fossilization occurs when marine animals die and their shells decompose into limestone. When limestone is exposed it is released.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high