Answer:
There is ONE broken tree, there are 15 trees, and there is ONE house standing.
Explanation:
A quantitative observation is using your senses to observe. these three are the answers because you can use your senses to observe it, but you can’t really with the other three.
Answer:
Scientists can use embryology to determine that many organisms have common ancestors.
Explanation:
<span>Cell membrane plays an important role in maintaining the homeostasis by controlling the substances that penetrate the cell, either entering the cell, or leaving the cell. Since the cell membrane is a phospholipid bilayer, it can control the transition of water and ions.</span>
The P wave of the electrocardiogram is considered as a signal from the DEPOLARIZATION of the atria in the heart. This depolarization drives the contraction of the atrial musculature.
An electrocardiogram (ECG) is a device that records the electrical activity of the heart. This record can then be used to diagnose different heart conditions.
The P waves occur when the sinoatrial node generates an action potential which is capable of depolarizing the atria.
This depolarization is then followed by atrial contraction and an increase of the pressure in the atria.
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