Biology, 04.03.2021 19:50, mermaid1304
Sam enjoys looking at the stars through his telescope he learns that start were originally clouds made of dust and gasses which statement best describes how these clouse eventually become stars
A. The clouds eventually collapse the force of gravity
B. The clouds increase in temperature until they eventually form a solid
C. The clouds contain particles that are magnetically attracted to each other
D. The clouds begin to cool and fort from masses of ice that eventually fuse together
Answers: 3
Biology, 21.06.2019 13:30, natlovesfood
Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone
Answers: 2
Biology, 22.06.2019 21:00, khaz1430
Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form
Answers: 2
Biology, 23.06.2019 00:30, majailaharris200
Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?
Answers: 3
Biology, 23.06.2019 02:10, vshelton6549
What percentage does each square in a punnett square represent? a.25% b.33% c.50%
Answers: 2
Sam enjoys looking at the stars through his telescope he learns that start were originally clouds ma...
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