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

Author Question: A planet is closest to the Sun in its elliptical orbit when it is at A) perigee B) aphelion C) ... (Read 99 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
A planet is closest to the Sun in its elliptical orbit when it is at
 
  A) perigee
  B) aphelion
  C) apogee
  D) perihelion

Question 2

The Northern hemisphere of Mars is at
 
  A) a higher than average elevation and is covered with impact craters
  B) a higher than average elevation and is relatively smooth
  C) an average elevation and is covered with impact craters
  D) a lower than average elevation and is relatively smooth



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

D





 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library