Ocean sediments and volcanoes are sources of:
a. Nitrogen
b. Oxygen
c. Sulfur
d. Phosphorus
e. both sulfur and nitrogen
E
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The inner core is solid because
A) it is composed of iron and nickel. B) the surrounding outer layers act as a blanket to insulate the core. C) pressure from the weight of the surrounding layers prevents the inner core from melting. D) None of these, for the inner core is not solid, but liquid.
During winter on poorly insulated windows, frost forms on the
A) outside because the warmer temperatures can support higher amounts of water vapor B) inside because the warmer temperatures can support higher amounts of water vapor C) outside because the warmer temperatures can support higher amounts of liquid water drops D) inside because the warmer temperatures can support higher amounts of liquid water drops
How did U.S. fair housing laws help encourage the settlement of more ethnically and racially mixed suburbs in the United States after the 1960s?
What will be an ideal response?
The process of voluntarily creating and sharing geography information is known as ________
A) VGI B) facilitated science C) GIS D) GPS E) geocaching