B and D is out. It cant be A because heat of combustion is substance not compound. So the answer is D.
Answer: it is 5.5 mg
Explanation:
you have to multiply the mass value by 1000
X is dependent Y is independent.... number of students is Y flavor is X
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Alchemy is extremely complicated. It is based on the practical skills of early metal workers and craftsmen, on Greek philosophy, and on Eastern mystic cults that sprang up in the first centuries after Christ and influenced so much of magic and occult thought.