This topic contains a solution. Click here to go to the answer

Author Question: Observations vs. Explanations. Which of the following statements is an explanation? A) Hydrogen ... (Read 50 times)

cool

  • Hero Member
  • *****
  • Posts: 570
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

B

Answer to Question 2

D




cool

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
:D TYSM


xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library