Which does not describe a law?
A) A law summarizes observations.
B) A law explains observations.
C) A law is the largest construct to summarize experimental observations
D) A law explains unvarying uniformity under the same conditions.
B
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Solid aerosols
A) create secondary pollutants and destroy the ozone layer. B) also consist of gases that act as greenhouse gases. C) are more harmful to humans if their size is above PM10. D) can promote or reduce the chance of precipitation.
In order to avoid producing thermal plumes, power plants often
A. Warm entire rivers to ease temperature gradients B. Increase the efficiency of their energy use C. Build cooling towers or ponds D. Chemically alter their effluent E. All of these are correct
Sick-building syndrome is not associated with ____.
A. headaches B. coughing and sneezing C. lung cancer D. nausea E. dizziness
To be effective, beach replenishment sand should be dumped into the ocean as well as on the beach
a. True b. False