Chemistry, 07.01.2020 12:31 dontcareanyonemo
Galileo used his telescope to discover evidence for the sun-centered model of the solar system. this evidence included all of the following except
a.
venus going through phases
b.
venus revolving around the sun, not earth
c.
the planets moving in ovals or elipses
d.
moons revolving around jupiter
select the best answer from the choices provided
Answers: 3
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Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
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Chemistry, 22.06.2019 10:30
Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.
Answers: 1
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If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.
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Chemistry, 23.06.2019 00:00
Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.
Answers: 1
Galileo used his telescope to discover evidence for the sun-centered model of the solar system. this...
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