The Toba super volcanic event caused a bottleneck in the human population by inducing an ice age .
I hope that's help !
Answer:
As SpaceX started winning more and more NASA contracts, NASA saved more and more of its limited budget. The second key innovation to the aerospace industry that SpaceX made was the programming of self-landing boosters. The Falcon 9 booster has the ability to land itself autonomously which allows for rapid reusability
I think it would be C. observe the cell with an electron microscope. but im am not a 100% sure.
Answer:
The Bicuspid valve or Mitral valve found between the left atrium and left ventricle.
Explanation:
- A bicuspid valve or Mitral valve is an atrioventricular valve. It is one of the valves of the heart's four valves.
- It regulates the blood flow from the left atrium (upper left chamber) to the left ventricle (lower left chamber).
- It mainly prevents the backflow of blood from the left ventricle to the left atrium.
<u>What is ischemia?</u>
It can affect your heart, your intestines, and any part of your body. If this happens it can end up triggering a sequence that leads to your death.
<u>Ischemia is.. </u>
an inadequate supply of oxygenated blood to all or part of a tissue or organ as a result of an obstructed or constricted blood vessel.
<u>Not sure what you mean by "Coronary infraction?", but</u>
The word "infarction" comes from the Latin "infarcire" meaning "to plug up or cram."