Author Question: When ice crystals form in the clouds, ________. a. heat energy is released b. the atmosphere ... (Read 41 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
When ice crystals form in the clouds, ________.
 a. heat energy is released
  b. the atmosphere becomes colder
  c. phase change from solid to liquid occurs
  d. the thermal mass of the atmosphere increases

Question 2

In a location where the train tracks run parallel to a road, a high speed train traveling at 60 m/s passes a car traveling at 30 m/s in the opposite direction. How long does it take for the train to be 180 m away from the car?
 a. 2.0 s
  b. 3.0 s
  c. 6.0 s
  d. 9.0 s
  e. 18.0 s



prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

a

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

For a complete list of videos, visit our video library