Physics, 06.07.2019 14:30, highspeed3371
Which statement is true about physical changes and chemical changes? a. chemical changes are not observable. b. chemical changes always produce new substances. c. physical changes can change physical and chemical properties. d. physical and chemical changes cannot happen at the same time.
Answers: 1
Physics, 22.06.2019 09:30, ryanmorse01
The necleus of an atom is made up of what subatomic particles?
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Physics, 22.06.2019 11:30, smilequi9653
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
Answers: 1
Physics, 22.06.2019 14:30, Cnolteb5663
Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false
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Which statement is true about physical changes and chemical changes? a. chemical changes are not ob...
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