Author Question: The most noteworthy highlight of the Mesozoic era was the A) break-up of Pangaea. B) emergence ... (Read 15 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?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library