The hazardous-waste disposal system that involves contained toxins and is provided with approved liners, leachate control, monitoring wells and constant surveillance is
A) a secure landfill.
B) a deep-well injection.
C) an on-site surface impoundment.
D) a best-demonstrated available technology.
Question 2
You are on vacation in San Francisco and you find a rock called a serpentinite near the Golden Gate Bridge. You remember that serpentinites are metamorphic rocks commonly found in oceanic crust.
The serpentinite contains the mineral serpentine Mg3Si2O5(OH)4, which forms by reacting water (H2O) to olivine (Mg2SiO4).
Your serpentinite formed by:
a. contact metamorphism
b. hydrothermal metamorphism
c. regional metamorphism