Explanation:
Muscles act on joints antagonistically. Some muscles will contract while other contract pulling on bones around joint hence enabling movement. An example is the elbow joint is moved by antagonistic action of biceps and triceps. When your biceps contract and triceps relax you are able to bend your arm at your elbow. When your triceps contract and biceps relax, your arms straighten.
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Learn more about muscle action on joints;
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The direction of the reaction.
Answer:
I think that the answer would be D
Answer:
a
Explanation:
I think saturated fatty acids
B is correct
Acids are molecular compounds that release hydrogen ions. A binary acid consists of hydrogen and one other element.