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

Author Question: On its icy surface, Uranus' satellite Ariel has smooth valleys with few craters. Other areas are ... (Read 67 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
On its icy surface, Uranus' satellite Ariel has smooth valleys with few craters. Other areas are rough with many craters. Based on this, it can be concluded that
 
  a. valleys are young and the rough areas are old
  b. the valleys are old and the rough areas are young
  c. both valleys and rough areas are young
  d. both valleys and rough areas are old

Question 2

The resolution of Olbers' paradox suggests that it gets dark at night because
 
  a. the universe is not infinite in age.
  b. the universe is static.
  c. the universe is closed.
  d. a and b
  e. all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

A

Answer to Question 2

A




tsand2

  • Member
  • Posts: 520
Reply 2 on: Jul 27, 2018
:D TYSM


31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

For a complete list of videos, visit our video library