Author Question: Gaseous combinations of hydrogen and carbon are called A) carbonates. B) hydrocarbons. C) ... (Read 68 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
Gaseous combinations of hydrogen and carbon are called
 
  A) carbonates.
  B) hydrocarbons.
  C) particulates.
  D) carbonic oxides.

Question 2

The collection of organisms and their nonliving surroundings that functions as a unit is called the
 
  A) habitat.
  B) atmosphere.
  C) environment.
  D) ecosystem.



vkodali

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

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

For a complete list of videos, visit our video library