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

Author Question: A rock that is 400 million years old comes from the ________ Period. A) Paleozoic B) ... (Read 32 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
A rock that is 400 million years old comes from the ________ Period.
 
  A) Paleozoic
  B) Phanerozoic
  C) Precambrian
  D) Silurian

Question 2

A rock that is 200 million years old comes from the ________ Era.
 
  A) Cenozoic
  B) Mesozoic
  C) Paleozoic
  D) Jurassic/Triassic



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




appyboo

  • Member
  • Posts: 527
Reply 2 on: Jul 16, 2018
Gracias!


kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

For a complete list of videos, visit our video library