Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
Atherosclerosis
is a condition that occurs when fatty substances (plaque) build up in blood
vessels. The
accumulation of the fatty substances can cause partial or complete blockage of
blood flow through an artery. Symptoms of this condition include a mini-stroke, pain
in the chest <span>and pain in the leg muscles during exercise.</span>
All of his men will die and he will not make it home in which he plans.
<span>The reserves will eventually be used up. </span>
Answer: Spectrin Protein Is a major component of the cortex in RBCs. mutations in this protein develop a from of anemia that can cause to RBCs to develop a flatened shape, making them extremely fragile.
