A hypothesis is a prediction of what you believe to be true.
Answer: caffeine is a compound.
Explanation:
1) As stated c<span>affeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed ratio.
2) The definition of compound is a pure substance formed by chemical bonding of two or more fifferent elements. That means a defined ratio of the elements in the compound, which conferes uniform and equal properties to every part of the compound.
Some examples of compounds are salt (NaCl), water (H2O), vinegard (CH3 COOH).
A mixture combines several elements or compounds, not bonded by chemical bonds but mixed in ratios which may vary.
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It’s called Diethyl ether so I think the answer is D
Temperature is a measure of "Molecular movement"
In short, Your Answer would be Option B
Hope this helps!
Well really the right thing to do is find the nearest shower and rinse them off so I believe C. would be the best answer