Burning coal produces pollutants such as ____.
A. carbon monoxide, sulfur dioxide, and soot
B. sulfur dioxide and water vapor
C. carbon dioxide and cyanide
D. soot and argon
E. carbon monoxide and water vapor
Answer: A
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Which one of the following hazardous-waste disposal methods is safest with regard to ground/drinking water pollution and involvement in ecosystem food chains?
A) A secure landfill B) A deep-well injection C) An on-site surface impoundment D) A best-demonstrated available technology
The mass number of an atom is equal to which of the following?
A) the number of protons in the atom B) the number of neutrons in the atom C) the total number of protons and neutrons in the atom D) the total number of protons, neutrons and electrons in the atom
________ soils often are rich in a black organic rich plant residue called peat
A) Forest B) Rainforest C) Grassland D) Desert E) Wetland
Synaptic knobs are at the ends of
What will be an ideal response?