Sources of uncertainty in radioactive dating do not include:a

loss of daughter isotope.
b. uncertainty in decay constants.
c. experimental and sample error.
d. addition of parent isotope.
e. questions about metamorphism


B

Environmental & Atmospheric Sciences

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The principle of ________ states that in a sequence of sedimentary rocks, those found at the

bottom of the sequence are oldest. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

The famous destruction of the Roman city of Pompeii was produced by ________

A) a large cinder cone burying the city in tephra B) a pyroclastic eruption from a composite volcano that buried the city in ash and smothered the people living there C) a volcanic mudflow from Mt. Vesuvius that buried the people and the city D) a composite volcano erupted lava that buried the city, fossilizing people who were overridden by the fast moving flows

Environmental & Atmospheric Sciences

What is the maximum relief along this profile?

Use the profile constructed in Figure 23.5 to answer the question and completion items.

What will be an ideal response?

Environmental & Atmospheric Sciences

The term describing bases that pair with each other is

A. complementary B. antiparallel C. identical D. covalent E. bond forming

Environmental & Atmospheric Sciences