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

Author Question: Most coal deposits were formed in the A) Cenozoic era. B) Mesozoic era. C) Paleozoic era. D) ... (Read 125 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
Most coal deposits were formed in the
 
  A) Cenozoic era.
  B) Mesozoic era.
  C) Paleozoic era.
  D) Precambrian era.

Question 2

The first time period for which abundant fossils have been found is the
 
  A) Precambrian.
  B) Silurian.
  C) Pliocene.
  D) Cambrian.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


lbcchick

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 29, 2018
Thank you!


lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

World coal reserves in gigatonnes World coal reserves in gigatonnes
Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
Wheals are formed in reaction to scratch testing and intradermal testing of allergens. Wheals are formed in reaction to scratch testing and intradermal testing of allergens.
The demand for energy is met by burning coal and other fossil fuels The demand for energy is met by burning coal and other fossil fuels
U.S. Subsurface Coal Mining: Output, Price, and Output per Worker-Hour, 1949–1994 U.S. Subsurface Coal Mining: Output, Price, and Output per Worker-Hour, 1949–1994
Cenozoic mammal reconstruction, Dinictis chasing Mesohippus prey. Cenozoic mammal reconstruction, Dinictis chasing Mesohippus prey.
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library