Author Question: The most noteworthy highlight of the Mesozoic era was the A) break-up of Pangaea. B) emergence ... (Read 57 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
The most noteworthy highlight of the Mesozoic era was the
 
  A) break-up of Pangaea.
  B) emergence of humans.
  C) Pleistocene extinction.
  D) ice age.

Question 2

The lines in the visible region of the hydrogen spectrum are known as the
 a. Lyman series.
  b. Balmer series.
  c. Paschen series.
  d. Bohr series.



mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

Answer: A

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

For a complete list of videos, visit our video library