Usually if your pulse rate is thumping at a fast pace that means you have been running or your body has been actively moving in some type of way.
Answer:
In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
If the membrane of a cell were no longer selectively permeable then "<span>The cell would die as it would not be able to regulate which substances could enter and leave", since a selectively permeable membrane allows both things to enter and leave for the cell's survival. </span>
Answer:
A
Explanation:
Mid-ocean ridges are where new crust is formed as the two plates pull away from each other. Therefore, the newest crust is at the mid-ocean ridges.
