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

Author Question: Which event is thought to have been a cause for past mass extinctions? a. A massive earthquake b. ... (Read 78 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Aug 22, 2018

Which event is thought to have been a cause for past mass extinctions?
  a. A massive earthquake
  b. A massive tsunami
  c. An epidemic
  d. The collision with an asteroid or comet
  e. The most prolonged ice age



Question 2

Which zone in the ocean contains enough light for photosynthesis?
  a. aphotic zone
  b. hadal zone
  c. disphotic zone
  d. abyssal zone
  e. euphotic zone



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

14vl19

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Aug 22, 2018
Answer to Question 1

d

Answer to Question 2

e


Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
Reply #2 on: Aug 22, 2018
Thanks


14vl19

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Aug 22, 2018
Welcome :)


« previous next »
 

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
World Population Growth, Past 10,000 years World Population Growth, Past 10,000 years
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass? If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass?
Gravitational Force Due to a Distribution of Mass Problem 1 Gravitational Force Due to a Distribution of Mass Problem 1
For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum? For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum?
Video: Exercise and cardiac output & Definition of stroke volume

For a complete list of videos, visit our video library