Natural sources produce greater quantities of air pollutants than do sources attributable to humans
Indicate whether the statement is true or false
TRUE
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What water mass is the densest in the world ocean?
a. Arctic Bottom Water b. North Atlantic Bottom Water c. North Pacific Bottom Water d. Equatorial Bottom Water e. Antarctic Bottom Water
What type of machine is used to measure the location of an earthquake epicenter?
A. Seismograph B. Spectrograph C. Tectograph D. Rapidograph
Hydrogen bonds in water form between the
A) oxygen atom of one water molecule and the sodium atom of a salt molecule. B) oxygen atom of one water molecule and the oxygen atom of another water molecule. C) hydrogen atom of one water molecule and the oxygen atom of another water molecule. D) hydrogen atom of one water molecule and the hydrogen atom of another water molecule.
Which of the following statements about the physical environment is NOT true?
A) The physical environment is not always the pivotal concern in human decisions. B) Due to technology, humans represent the most significant change agents on earth. C) A stable lithosphere provides humans with materials for building and fuel for energy. D) The physical environment is the key factor in social development. E) A people's level of wealth can influence social attitudes toward modifying the environment.