Author Question: The distance of the 220-yard race is equivalent to ________ ft. A) 660 B) 2,640 C) 7.92 103 ... (Read 39 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
The distance of the 220-yard race is equivalent to ________ ft.
 
  A) 660
  B) 2,640
  C) 7.92  103
  D) 73.3

Question 2

Thoroughly dried dead plant material is 44.4 percent oxygen by weight. How is this oxygen held in the plant so that it doesn't escape into the atmosphere?
 
  A) This oxygen is held within cellulose micropores of the plant tissue.
  B) This oxygen is found mostly as carbon dioxide, which is heavier than air.
  C) This oxygen is not gaseous , but oxygen atoms bound to the cellulose structure.
  D) Plants fix this oxygen during photosynthesis.



bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

For a complete list of videos, visit our video library