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)
c
You might also like to view...
Geographers are interested in the spatial context of things
Indicate whether the statement is true or false
On Earth, the Sun passes directly overhead at 25° north latitude ________ times a year
A) 0 B) 2 C) 1 D) 4
The Maunder Minimum
A) occurred during the Little Ice Age. B) saw high levels of sunspots. C) is a consequence of the weak Sun paradox. D) caused a significant change in the eccentricity of Earth's orbit. E) has been deduced by examining ice-core samples from Greenland.
In a battery, if the following oxidation-reduction reactions takes place normally:Mn2O3 + ZnO ? 2 MnO2 + Zn What reaction would be taking place if you were charging the battery?
A. ZnO ? Zn B. 2 MnO2 + Zn ? Mn2O3 + ZnO C. Mn2O3 ? MnO2 D. all of the above E. none of the above