Which of these chemicals can cause cancer?
A. benzene
B. mercury
C. toxic lead
D. copper
Answer: A
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Extratropical cyclones over large bodies of water
A) can gain both sensible heat and latent heat from the water. B) are usually weaker than if they were over land. C) lose much energy to the water. D) are called "busts." E) all of the above
________ streams have some groundwater input, but only flow for certain periods during a year
A) Perennial B) Intermittent C) Ephemeral D) Temporary
Which of the following is true about specific gravity of a material?
A) It has units of g/mL. B) It is defined as the density of the material divided by the density of water. C) both a and b D) neither a nor b
Most bookstores in major cities have more books on
A. pseudoscience than science. B. science than pseudoscience. C. not enough information to estimate D. none of the above