This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Identify the most dangerous type of coal mine and explain why it is more dangerous than the other ... (Read 39 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
on: Jul 21, 2018
Identify the most dangerous type of coal mine and explain why it is more dangerous than the other types.
 
  What will be an ideal response?

Question 2

Compare and contrast the differences between shaft mines, slope mines, and drift mines.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Loise Hard

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 21, 2018
Answer to Question 1

The most dangerous coal mines are underground mines. There are chances of cave-ins, explosions, and exposure
to poisonous gases.



Answer to Question 2

A shaft mine accesses passageways that are vertical to the coal seam. A slope mine has the access tunnel on a slope
from the surface to the coal seam. A drift mine is used when a passageway is bored in a hill or mountain



shenderson6

  • Member
  • Posts: 573
Reply 2 on: Jul 21, 2018
Excellent

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Phenotypic ratios in progeny reveal the type of cross Phenotypic ratios in progeny reveal the type of cross
An experimentally made Oldowan type core. An experimentally made Oldowan type core.
Identify the Main Term Identify the Main Term
A radiator may be either a down-flow or a cross-flow type. A radiator may be either a down-flow or a cross-flow type.
Water consumption by type of use Water consumption by type of use
Chloroplast segregation determined by mating type in Chlamydomonas Chloroplast segregation determined by mating type in Chlamydomonas
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library