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 61 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
Wow, this really help


raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

For a complete list of videos, visit our video library