Author Question: The planet(s) of our solar system that are usually or never visible to the naked eye are a. Mars. ... (Read 90 times)

amal

  • Hero Member
  • *****
  • Posts: 572
The planet(s) of our solar system that are usually or never visible to the naked eye are
 
  a. Mars.
  b. Mercury and Neptune.
  c. Saturn, Uranus, and Neptune.
  d. Uranus and Neptune.
  e. Mercury and Venus.

Question 2

____ is the point in Earth's orbit where Earth is closest to the Sun.
 
  a. Aphelion
  b. Perihelion
  c. Precession
  d. The winter solstice
  e. a and d



kjo;oj

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

d

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

For a complete list of videos, visit our video library