What is the largest component of the U.S. municipal solid waste stream?
A. yard waste
B. metals
C. all varieties of plastics
D. paper and paper products
Answer: D. paper and paper products
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Humans make decisions on how they will act in the real world based on
A) how they perceive the world. B) the real world as it is. C) their religious beliefs. D) incomplete understanding of the world. E) predestination.
What phenomena does Bowen's reaction series help explain? What will be an ideal response?
Why do volcanic eruptions cause cooling for the weeks/months following the eruption?
A) increased sulfur in the atmosphere reflect energy from the sun B) volcanic ash acts as a shield to block the sun's energy from reaching earth C) carbon dioxide is emitted during the eruption D) both A and B
What type of chemical weathering causes rust to form?
A. Hydrolysis B. Dissolution C. Oxidation