In her study performed in Yaqui Valley, Mexico, Elizabeth Guillette found that ________
A) wealth is correlated with intelligence
B) frogs were affected by water pollution
C) infectious disease is more widespread in poor countries
D) developmental delays occurred in children exposed to pesticides
E) organic agriculture can be successful with government support
Answer: D
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Indicate whether the statement is true or false
Glaciation has only been recorded for the Quaternary period of the earth's history demonstrating that the cause of the Ice Ages is the earth's orbit moving farther from the Sun
Indicate whether the statement is true or false
Which of the following is valid for how rocks weather?
A. most minerals in granite weather at nearly the same rate and so granite has smooth surfaces B. limestone weathers rapidly in wet climates but can form cliffs in dry ones C. quartz is very soluble during weathering at low temperatures D. as a granite weathers, quartz rapidly decomposes into clay minerals
The Appalachian Mountains of eastern North America were formed by continent-continent collision. Today, these mountains are still being uplifted by the same type of collision:
A. The Rocky Mountains of North America. B. The Andes Mountains of South America. C. The Cascade Mountains of North America. D. The Himalaya Mountains of Asia.