« previous next »

Author Question: Which of the following vertical zones of a large coral reef has light intensity of about 60 of the ... (Read 99 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Aug 22, 2018
Which of the following vertical zones of a large coral reef has light intensity of about 60 of the surface intensity?
 
  A) From a few centimeters to a few meters
  B) From a few meters to 20 meters
  C) From 20 meters to 50 meters
  D) From 50 meters to 150 meters
  E) Below 150 meters

Question 2

Researchers estimate that the Pacific Ocean contains at least 46 ________ pounds of floating microplastic pieces (microbeads) that originate from hand cleaners, exfoliating facial scrubs, and toothpaste, that are known to transport pollutants and be
 
  eaten by fish. A) hundred
  B) thousand
  C) million
  D) billion
  E) trillion


thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 22, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Coral growth rings as an indicator of environmental change Coral growth rings as an indicator of environmental change
Light palpation Light palpation
A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ... A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ...
Light-independent reactions in C3 plants. Light-independent reactions in C3 plants.
Video: Wound Repair Animation

For a complete list of videos, visit our video library