Use the following information to answer the next question Compounds
1
methane
2
ethene
3
benzene
4
methanol
5
5
ethyne
nitrogen dioxide
7
butane
8
octane
8.
The compounds that require energy during formation from their constituent
elements, are numbered
..and
(Record your four-digit answer in the numerical-response section below.)
Your

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

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c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

how important do you think an instrument is to the musician who plays it?