Author Question: The average depth of the photic zone is ________ in open ocean waters. a. 200 meters (660 feet) b. ... (Read 44 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
The average depth of the photic zone is ________ in open ocean waters.
 a. 200 meters (660 feet)
 b. 600 meters (2,000 feet)
 c. 100 meters (330 feet)
 d. 10 meters (33 feet)

Question 2

The forces that hold atoms and ions together to form molecules are:
 a. chemical bonds.
 b. positive bonds.
 c. neutral bonds.
 d. negative bonds.



kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

c

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library