Greenstone belts are composed of sedimentary and volcanic rocks
a. True
b. False
True
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A major earthquake is one that has a magnitude of ____ on the Richter scale.
A. 4.0-4.9 B. 5.0-5.9 C. 6.0-6.9 D. 7.0-7.9 E. over 8.0
When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq) ? AgCl(s) + NaNO3(aq) How much AgCl is produced when 3.10 g of AgNO3 and 0.600 g of NaCl react?
A) 1.47 g B) 2.23 g C) 2.62 g D) 3.70 g
In addition to colonizing Quebec and the St. Lawrence River Valley, the French colonized northern New England
Indicate whether the statement is true or false
Water diversion and irrigation has allowed humans to grow crops in areas where natural supplies have been limited. A major challenge that exists in these regions has been ________
A) high trophic-level efficiency B) high pesticide use C) soil erosion D) low crop diversity E) salinization of soils