This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: On its icy surface, Uranus's satellite Ariel has smooth valleys with few craters. Other areas are ... (Read 37 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
On its icy surface, Uranus's 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

Uranus and Neptune appear blue or blue-green because
 
  a. their atmospheres absorb blue light very efficiently.
  b. their solid air-less surfaces are this color
  c. their surfaces are covered with liquid water with no atmosphere
  d. traces of methane in their atmospheres absorb red light very efficiently.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

guyanai

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

d


Destiiny22

  • Member
  • Posts: 557
Reply 2 on: Jul 27, 2018
Wow, this really help

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Foot reflexology chart indicates points on the foot that reflexively correspond to other areas of th Foot reflexology chart indicates points on the foot that reflexively correspond to other areas of th
The Spectra of Stars with Different Surface Temperatures. The Spectra of Stars with Different Surface Temperatures.
A chest X-ray showing pneumonia characterized by the patch of gray-white areas. A chest X-ray showing pneumonia characterized by the patch of gray-white areas.
Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ... Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...
Locations of Broca’s Area, Wernicke’s Area, and Associated Areas Involved in Language Deficits Locations of Broca’s Area, Wernicke’s Area, and Associated Areas Involved in Language Deficits
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library