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

Author Question: As seen from Earth and the Hubble Space Telescope, Mars shows a. a reddish color. b. dark ... (Read 272 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
As seen from Earth and the Hubble Space Telescope, Mars shows
 
  a. a reddish color.
  b. dark markings.
  c. rotation.
  d. white icy polar caps.
  e. All of the other choices are correct.

Question 2

Which one of the phrases below is the current explanation of why the surface of Venus is so hot?
 
  a. Venus's poor reflectivity
  b. the action of the greenhouse effect caused by carbon dioxide
  c. always keeping the same face turned toward the Sun
  d. the action of the greenhouse effect caused by hydrogen



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

samiel-sayed

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

e

Answer to Question 2

b





 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

For a complete list of videos, visit our video library