Knowledge is very important for us for better understanding, for easy study.
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What is a body of knowledge that explains the natural world?</h3>
Science is an organized way of using evidence to learn about the natural world. The world science also refers to the body of knowledge that scientists have built up after years of using this process. It is the science with the help of which we can study the nature deeply without and difficulties. It is the science which make the things very easy for us and make for us very easy to be studied. Without the knowledge we can't able to understand the world in a quite easy manner.
So we can conclude that: Knowledge is very important for us for better understanding, for easy study.
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Answer:
The answer is Norepinephrine.
Explanation:
Acetylcholine (Ach) and Norepinephrine (NE) are both chemical substances (neurotransmitters) released primarily by nerve cells and they affect different parts and systems of the body. Acetylcholine mostly targets the muscles and the brain and it is a part of the parasymphatetic nervous system whereas norepinephrine targets the whole body and has an effect that leads to the contraction of muscles and the increase of the heart rate. Norepinephrine is a part of the symphatetic nervous system.
Since the symphatetic nervous system is responsible for the crucial "fight-or-flight" response of our body, it has a more dramatic effect on the muscle contraction. Norepinephrine, being a part of the symphatetic nervous system, should result in a more drastic change in contractile force.
I hope this answer helps.
B) A long time increase in the Earths Average temperature
