« previous next »

Author Question: One method of surface mining is to extract the coal into long strips that follow the coal seams that ... (Read 76 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jul 21, 2018

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
Reply #1 on: Jul 21, 2018
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
« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

The steps of the scientific method, also known as hypothesis testing The steps of the scientific method, also known as hypothesis testing
The platypus is very difficult to spot even on the surface of a river. The platypus is very difficult to spot even on the surface of a river.
Surface Features on Titan Surface Features on Titan
Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ... Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ...
Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone. Ayurvedic massage. Long sweeping stroke from foot around shoulder and down the arm, recipient prone.
Long-wave energy flux is emitted from Earth Long-wave energy flux is emitted from Earth
Video: Heart Chambers

For a complete list of videos, visit our video library