Physics, 11.07.2019 06:30, crawfordricky84
The earth is made mostly of metals and rocks. where did this material come from? it was made by nuclear fission of uranium and other radioactive materials. it was produced in the big bang. it was created by chemical reactions in interstellar space. it was made by our sun. it was produced by nuclear fusion in stars.
Answers: 1
Physics, 23.06.2019 09:30, Lalagrl
The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.
Answers: 2
The earth is made mostly of metals and rocks. where did this material come from? it was made by nuc...
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