Which of the following vertical zones of a large coral reef has light intensity of about 20% 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
C
You might also like to view...
What is the difference between brittle and ductile rocks? What will be an ideal response?
What is the source of most of the dissolved materials found in the ocean?
A) Outgassing B) Convection currents C) Dissolving and weathering of crustal rocks D) Biological activities
According to the National Oceanic and Atmospheric Association (NOAA), how much has Earth's average global average temperature risen since 1880?
A. 0.8° C (1.0° F) B. 0.8° C (1.4° F) C. 0.5° C (1.0° F) D. 1.0° C (33.8° F)
Judge the following sentence according to the criteria given below: Seismologists have abandoned
Richter magnitudes in favor of moment magnitudes for describing earthquakes BECAUSE Richter magnitudes do not accurately portray the energy released by large earthquakes on faults with great rupture lengths. a. The assertion and reason are both correct, and the reason is valid. b. The assertion and reason are both correct, and the reason is invalid. c. The assertion is correct and the reason is incorrect. d. The assertion is incorrect and the reason is correct. e. Both the assertion and the reason are incorrect.