« previous next »

Author Question: Currently, the greatest supply of natural gas in the United States is A) associated with ... (Read 20 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
on: Jul 16, 2018
Currently, the greatest supply of natural gas in the United States is
 
  A) associated with petroleum deposits.
  B) in gas-rich shale.
  C) obtained by chemically converting petroleum into methane.
  D) in deposits of coal lying under Arizona and California.

Question 2

Which of the following best describes ecotones?
 
  A) They contain only species found in the bordering ecosystems.
  B) They have the same abiotic characteristics as the bordering ecosystems.
  C) They consist of many distinct landscapes.
  D) They are transitional regions between ecosystems and may contain unique species.


britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

How Oil and Natural Gas Form How Oil and Natural Gas Form
Natural abundance of Mercury Natural abundance of Mercury
How Urban Is Your State? The Rural-Urban Makeup of the United States How Urban Is Your State? The Rural-Urban Makeup of the United States
Continental United States Hurricane Strikes from 1950-2011 Continental United States Hurricane Strikes from 1950-2011
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012 Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
GDP per Capita in the United States, 1870–2009 (Ratio Scale) GDP per Capita in the United States, 1870–2009 (Ratio Scale)
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library