a. Fracture zones
b. Conduction
c. Convection
d. Pressure
ANS: C
It is believed that water descends into cracks and crevices along the ridges of the seafloor. The water
then makes contact with the rocks. Then, chemically active, superheated water dissolves minerals and
gases are released though these hydrothermal vents via convection. Information can be found in the
section The Topography of Deep-Ocean Basins Differs from That of the Continental Margins
Brittle stars employ a unique evasive technique that involves detaching an arm if grabbed by a predator
Indicate whether the statement is true or false
Organic matter can be beneficial by a process known as
A. fertilizing. B. incinerating. C. harvesting. D. composting.
We lose 5 to 7 million hectares of productive cropland per year to ________
Much more original forest remains in the U.S. than in Canada, especially in the north and west
Indicate whether the statement is true or false.