Core
ols
We know that the Earth's crust is composed of plates. There is also evidence th...
Chemistry, 19.03.2020 19:55 loudenalexisp56lp0
Core
ols
We know that the Earth's crust is composed of plates. There is also evidence that these plates move. But how? Some of these statements
correctly describe the mechanisms behind plate movement.
Answers: 1
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Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical
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Stage in which a star’s outer layers have started to cool and grow outward?
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Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
Answers: 2
Chemistry, 22.06.2019 12:00
Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.
Answers: 3
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