Answer: Your answer is<u> 1.36.</u>
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Answer: When quantities have the same relative size. In other words they have the same ratio corresponding in size or amount to something else.
Explanation: Example: "A rope's length and weight are in proportion."
Example: "The punishment should be proportional to the crime"
The correct answer is:-
alternating.

Since the diameter of helium atom is approximately
, therefore the diameter of helium atom in nano meter,

Answer:
B.) Releases heat or light
Explanation: