Which acid, found in most groundwater, is responsible for most karst topography worldwide?
A) Hydrochloric
B) Nitric
C) Sulfuric
D) Carbonic
Answer: D
You might also like to view...
A low infant mortality rate (IMR) suggests
A) better pre- and post-natal care. B) a lower CBR. C) an elderly population. D) a government policy restricting family size. E) a rare population event.
Which of the following best describes a seismic gap?
A. A large crack in the ground that opens in response to earthquake activity. B. The time interval between when an earthquake originates and when it's felt at distant locations. C. A section of an active fault that has not experienced an earthquake for an extended period of time D. The time interval between when an earthquake originates and when its aftershocks begin. E. A portion of a seismograph record where data is missing due to seismic waves being blocked by a mountain range.
Which of the following types of radiation has the longest wavelength?
a. Thermal infrared. b. Ultraviolet radiation. c. Visible light. d. Gamma rays.
A conjugated protein must contain which of the following?
A) a metal ion B) a polysaccharide C) a non-amino acid portion D) all of these