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

Author Question: Coal primarily comprises ________. A) rocks B) crystals C) inorganic matter D) organic ... (Read 109 times)

TFauchery

  • Hero Member
  • *****
  • Posts: 500
on: Jul 14, 2018
Coal primarily comprises ________.
 
  A) rocks
  B) crystals
  C) inorganic matter
  D) organic matter

Question 2

Mud cracks and ripple marks are common features of ________.
 
  A) sedimentary rocks
  B) igneous rocks
  C) metamorphic rocks
  D) minerals


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


TFauchery

  • Member
  • Posts: 500
Reply 2 on: Jul 14, 2018
Excellent

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Grey matter and white matter in the CNS. Grey matter and white matter in the CNS.
Metamorphic Rocks Metamorphic Rocks
Cerebral Gray Matter and Schizophrenia Cerebral Gray Matter and Schizophrenia
A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal. A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal.
The three states of matter: solid, liquid, and gas. The three states of matter: solid, liquid, and gas.
Rocks are Aggregates of Minerals Rocks are Aggregates of Minerals
Video: Chemical Changes

For a complete list of videos, visit our video library