Human consumption of which of the following components of seawater helps prevent goiter?

A) Calcium
B) Iodine
C) Magnesium
D) Sodium
E) Sulfate


B

Environmental & Atmospheric Sciences

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Minimills are more likely than integrated steel mills to select locations because of access to

A) government subsidies. B) unskilled labor. C) markets. D) raw materials. E) fluid capital.

Environmental & Atmospheric Sciences

A ________ is a volcano constructed of pyroclastic fragments ejected from a central vent.

A. shield volcano B. dome C. cinder cone D. caldera E. stratovolcano

Environmental & Atmospheric Sciences

Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are ________

A) bacteria B) golden algae C) dinoflagellates D) protozoans E) foraminifera

Environmental & Atmospheric Sciences

Which group is most likely to support large-scale funding of hydrogen research?

A. electric utilities B. sustainable developers C. fossil-fuel companies D. automobile manufacturers E. heating and air-conditioning manufacturers

Environmental & Atmospheric Sciences