The EPA's original 10,000-year radiation dosage standard for a nuclear repository was changed to how
many years?
a. 1,000 years
b. 100,000 years
c. 1,000,000 years
d. 10,000,000 years
e. It was not changed. It is still 10,000 years.
C
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Assigning a specific date to a rock, which is measured in years before present, is known as ____
a. relative dating b. absolute dating c. superposition d. carbon dating
e. fossil successionWhich property of rock or sediment determines the ease with which water can flow through?
a. Viscosity b. Bulk density c. Permeability d. Porosity
Defined by breaking waves in the surf zone, which two terms describe the directions of water movement associated with a wave breaking on the beach?
A) Fetch and swell B) Emergence and submergence C) Swash and backwash D) Surf and beach
Sharks are an example of a heterotroph that feeds by ________ feeding
A) active predation B) deposit C) filter D) passive predation E) photosynthetic