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

Author Question: In which eon of Earth's history did dinosaurs and mammals first appear? A) Hadean B) Archean ... (Read 53 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
In which eon of Earth's history did dinosaurs and mammals first appear?
 
  A) Hadean
  B) Archean
  C) Phanerozoic
  D) Proterozoic

Question 2

The magnetic field near a strong permanent bar magnet might be 500
 
  A) microGauss.
  B) Tesla.
  C) Gauss.
  D) milliGauss.
  E) MT.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blfontai

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Excellent

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Tides on Earth Tides on Earth
Camera History Camera History
Nursing history for nose and sinus assessment Nursing history for nose and sinus assessment
Earth’s Lithospheric Plates Earth’s Lithospheric Plates
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library