Which statement about ichthyosaurs is true?
a. They were quadrupedal.
b. They were bipedal.
c. They are closely related to plesiosaurs and mosasaurs.
d. They were carnivorous marine reptiles.
e. They were born on land and migrated to the water.
d
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The risk of death from an environmental hazard is calculated as the number of people who might die compared to the number exposed to the hazard. Which probability factor does the EPA to determine if the risk is acceptable?
A. 1 in a 1,000,000 B. 1 in 10,000 C. 1 in a 100 D. 1 in a 10,000,000
Cognitive images are mental maps that precisely portray real life
Indicate whether this statement is true or false.
The zone of saturation extends to an indefinite depth. Indicate whether the statement is true or false
What entity is the largest single employer in the United States?
A) Walmart B) General Motors C) McDonald's D) U.S. federal government E) CitiBank