Which of the following events might break down food entitlement systems?
a) Natural disasters
b) War
c) Displacement of land-holders
d) All of the above
d) All of the above
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When a strong magnet is brought near to a sample which is known to contain both iron and sulfur the iron and the sulfur are separated from one another. What type of material is this sample?
A) a compound B) a homogeneous mixture C) a heterogeneous mixture D) There is insufficient information to answer.
Which of the following situations is most likely to result in formation of a covalent bond?
A) when an electrically positive species interacts with an electrically negative species B) when two nonmetallic elements interact to form a compound C) when two electrically negative species interact D) when two electrically positive species interact
In the Pacific Northwest, stresses are transmitted upward from the subducting plates, forming strike-slip faults that rupture the surface, as in Seattle.
Answer the following statement true (T) or false (F)
Which of the following is not a factor that will influence infiltration of groundwater?
A) Acidity of precipitation B) Steepness of the slope C) Nature of surface material D) Intensity of rainfall