Chemistry, 12.11.2019 18:31 Gribblejames
In utah's arches national park we can see many interesting shapes like this one. many different things to shape this arch: earthquakes, rivers, freezing water, and wind. only one of these made the surface of the arch smooth and rounded. that was a) earthquakes. b) strong winds. c) water freezing in the cracks. d) a river running through the rocks.
Answers: 1
Chemistry, 22.06.2019 16:30
At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
Answers: 1
Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Chemistry, 23.06.2019 01:00
Which description best characterization the motion of particles in a solid
Answers: 1
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