What is the effective maximum range for carbon-14 dating?

A) 100,000 years
B) 70,000 years
C) 10,000 years
D) 13,000 years


Answer: B

Environmental & Atmospheric Sciences

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The EROI for domestically produced oil

A) has been growing since the 1930s. B) is currently close to that of solar photovoltaics and wind. C) is much less than for oil sands. D) makes a good argument for not funding development of renewable energy.

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Which of the following amino acids will exist as a -2 ion at very low pH?

A) asparagine B) glutamic acid C) isoleucine D) none of these

Environmental & Atmospheric Sciences

Lunar regolith breccia contains crystalline rock fragments and glassy fragments formed by meteorite impacts

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The northern regime in East Asia is:

A) subhumid B) humid C) semiarid D) temperate E) none of the above

Environmental & Atmospheric Sciences