What is the common name of (CH3)2NC2H5?
A) ethyldimethylamine
B) dimethylethylamine
C) N,N-dimethylethanamine
D) none of these
A
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Explain how light and sound waves behave in seawater. What kind of effects do they have on
inhabitants of the ocean? What will be an ideal response?
What, according to Lewis Mumford, central tenant of modern society did Y2K threaten?
a) The fallacy of the naturalistic fallacy of scientific knowledge b) The unfinalizability of cultural change c) The quasi-religious character of our technological faith in machines d) All of the above
Most sedimentary rocks are readily dated by radiometric methods
Indicate whether the statement is true or false
Littoral drift, which results in gradual sand movement down the beach in the same direction is also referred to as
A. traction. B. long shore drift. C. the Gulf Stream. D. saltation.