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

Author Question: Heat is absorbed by a substance when that substance ________. A) freezes B) evaporates C) ... (Read 143 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
Heat is absorbed by a substance when that substance ________.
 
  A) freezes
  B) evaporates
  C) condenses
  D) cools
  E) A and C

Question 2

Why do ice skates work?
 
  A) The pressure of the blades on the ice creates a temporary water layer.
  B) The pressure of the blades cuts a hole in the ice and water flows in.
  C) The blades are treated with a chemical that melts the ice temporarily, which creates a water layer.
  D) Ice is naturally slippery.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

B

Answer to Question 2

A




Marty

  • Member
  • Posts: 553
Reply 2 on: Aug 27, 2018
Gracias!


Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

For a complete list of videos, visit our video library