Suppose a candle is burned in oxygen in a closed system where matter cannot enter or leave. Given this situation, what is equal to the mass of the original candle and the oxygen that reacted? A the mass of the burned candle B the mass of all gases in the closed system C the mass of the gases released while the candle is burned D the mass of the burned candle plus the mass of thewhile the candle is burned

The answer is D

Explanation:

I took a test with this question and it came out correct:)

electron microscopy and scanning tunneling microscopes gives us a greater understanding of atoms by being able to see the atom itself, and lets us see some atomic reactions.

explanation:

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates