Which type of technology has helped reduce pollution from automobile exhaust?
a. scrubbers
b. electrostatic precipitators
c. baghouse filters
d. catalytic converters
Answer: D
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From a biodiversity standpoint, which of these is a serious threat posed by plastic shopping bags?
A. They can be ingested by birds and animals. B. They can easily blow away and cover tree limbs. C. They don't degrade in landfills. D. They can get in water lines and block drains.
The hydrologic cycle refers to the movement of
a. Hydrogen b. Oxygen c. Nitrogen d. Hydrocarbons e. Water
Name one property commonly exhibited by minerals that have van der Waals bonding. What will be an ideal response?
Culture is
A) genetically derived.
B) an attribute of a society that deals specifically with art and music.
C) learned behavior.
D) derived only from contact with other societies.
E) an attribute found only among folk of less developed countries.