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

Author Question: Air may best be described as: A) a compound. B) an element. C) a mixture. D) one of four basic ... (Read 179 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
Air may best be described as:
 
  A) a compound.
  B) an element.
  C) a mixture.
  D) one of four basic substances that composes all things.

Question 2

What is the average rate of seafloor spreading in modern oceans?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Viet Thy

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

C

Answer to Question 2

5 centimeters (2 inches) per year.




SO00

  • Member
  • Posts: 568
Reply 2 on: Jul 14, 2018
Wow, this really help


zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Excellent

 

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library