Author Question: When the huge polar caps on Mars form every winter, they are made chiefly of ________. Fill in ... (Read 50 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
When the huge polar caps on Mars form every winter, they are made chiefly of ________.
 
  Fill in the blank(s) with correct word

Question 2

To reach the Cassegrain focus, a hole must be cut in the center of the primary mirror.
 
  Indicate whether the statement is true or false



angrybirds13579

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

dry ice (frozen carbon dioxide)

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

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

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library