Physics, 31.07.2019 16:30 jonathanmontalv
18. in a solid conductor such as a metal, what is the cause of an electric current? a. a flow of positive and negative charges. b. a flow of positive charges only. c. +a flow of negative charges only. d. a flow of protons. e. a flow of neutrons.
Answers: 1
Physics, 21.06.2019 20:00
When using two-wire cable to feed a 240-v appliance that does not require a neutral wire, you should a. mark both ends of the white wire green. b. use the cable as is. c. use only the black wire. d. mark both ends and any exposed area of the white wire black.
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Physics, 22.06.2019 02:40
What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
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Physics, 22.06.2019 05:30
If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?
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Physics, 22.06.2019 06:30
In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
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18. in a solid conductor such as a metal, what is the cause of an electric current? a. a flow of po...
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