Aluminum foil I think but if not goodluck :)
There is no chemical formula for light energy because light is not a chemical.
Answer:
1
only 4 is the significant figure
we take tailing zeroes as significant figures only in case of decimals
Answer:
each of two or more forms of the same element that contain equal numbers of protons but different number of nurtrons
in there nucleir
Explanation:
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