They are a relatively recent invention.
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Answer:
the 4th one
Explanation:
kinitc energy formula is1/2mv^
there is mass ,and velocity (speed)
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Answer:
Alkane
Explanation:
Definition of Alkane "any of the series of saturated hydrocarbons including methane, ethane, propane, and higher members. (google dictionary)"
CH4 is methane.
Glucose is a simple sugar with the molecular formula C6H12O6. It is a carbohydrate.
Answer:
Explanation: See images below for explanation
