Author Question: of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ... (Read 79 times)

jenna1 · **on:** Jul 27, 2018

____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in equilibrium.

a. Nuclear fusion reactions; loses into space
b. Nuclear fusion reactions; gains from empty space
c. Chemical reactions; loses into space
d. Chemical reactions; gains from empty space
e. Nuclear fission; loses into space

Question 2

Ptolemy formulated a(n) ___________________ _ model of the solar system to predict positions of the Sun, Moon, and planets.

Fill in the blank(s) with correct word

nikmaaacs · **Reply #1 on:** Jul 27, 2018

Answer to Question 1

a

Answer to Question 2

geocentric

jenna1 · **Reply #2 on:** Jul 27, 2018

Thanks

nikmaaacs · **Reply #3 on:** Jul 27, 2018

Welcome

Author Question: of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ... (Read 79 times)

jenna1

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ...

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nikmaaacs

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ...

jenna1

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ...

nikmaaacs

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ...

Author Question: ____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in ... (Read 79 times)

Related Topics

Need homework help now?

Author Question: of hydrogen atom nuclei in the core replace the heat the Sun to keep it in ... (Read 79 times)