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Author Question: Observations vs. Explanations. Which of the following statements is an explanation? A) Hydrogen ... (Read 48 times)

cool

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on: Jul 27, 2018
Observations vs. Explanations. Which of the following statements is an explanation?
 
  A) Hydrogen and helium are important constituents of stars.
  B) The orderly orbits of planets arose from their formation in a rotating cloud of gas.
  C) All planets orbit the Sun in the same direction and nearly the same plane.
  D) The farther a galaxy is, the faster it is moving away from us.
  E) The inner planets of the solar system are rocky and the outer planets are gas giants.

Question 2

A maximum in solar activity should next occur about
 
  A) 2020. B) 2017. C) 2019. D) 2023. E) 2027.


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cadimas

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


cool

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Reply 2 on: Jul 27, 2018
Gracias!

recede

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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