If you had a 1 M solution of a weak base what would be its pH?
A. 1
B. 7
C. 6
D. 8
E. 13
Answer: D
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The polar front:
A) is not associated with the polar jet stream. B) is a region of small changes in the slope of pressure surfaces. C) is a region marked by a sharp change in horizontal temperature. D) is a boundary between two regions of cold air.
This type of lightning extends up to 95 kilometers above the top of a thunderstorm, and it resembles a jellyfish:
A) sprite. B) St. Elmo's fire. C) ball lightning. D) sheet lightning.
Fossil fuels are liquid deposits of iron ore found only in sedimentary rock formations.
Answer the following statement true (T) or false (F)
Strain, the amount of deformation undergone by an object, is expressed in rocks by
A) bending. B) breaking and removal. C) folding or faulting. D) metamorphism.