« previous next »

Author Question: The average depth of the photic zone is ________ in open ocean waters. a. 200 meters (660 feet) b. ... (Read 67 times)

pane00

  • Hero Member
  • *****
  • Posts: 579
on: Aug 22, 2018
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
Reply #1 on: Aug 22, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
A series of two PET scans. A scan was done when the volunteer’s eyes were either open (left) or ... A series of two PET scans. A scan was done when the volunteer’s eyes were either open (left) or ...
Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ... Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ...
Ocean water flows vertically and horizontally, influencing climate Ocean water flows vertically and horizontally, influencing climate
Protection of vulnerable areas in the ocean Protection of vulnerable areas in the ocean
Average quarterly presidential approval rating, from Eisenhower to Trump Average quarterly presidential approval rating, from Eisenhower to Trump
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library