This topic contains a solution. Click here to go to the answer

Author Question: If we use a 24-hour day to represent Earth's history, humans would have existed for the last: a. 1 ... (Read 177 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
If we use a 24-hour day to represent Earth's history, humans would have existed for the last:
 a. 1 minute.
  b. 1 hour.
  c. 2 hours.
  d. 5 hours.
  e. 12 hours.

Question 2

The boundaries between the distinct layers found in many sedimentary rocks are called:
 a. foliation.
  b. regolith.
  c. outcrops.
  d. rock cycles.
  e. bedding planes.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

anoriega3

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

A

Answer to Question 2

E





 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library