Author Question: One method of surface mining is to extract the coal into long strips that follow the coal seams that ... (Read 128 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757

One method of surface mining is to extract the coal into long strips that follow the coal seams that are close to the surface. This is called _______________.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 2

New technologies can help reduce the amount of pollutants that coal can introduce into the environment. One of the most popular is coal ____.
 
 

a. catalyzation c. hydrolysis
  b. oxidation d. gasification




nickk12214

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

strip mining

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

For a complete list of videos, visit our video library