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which of these terms means that "the present is the key to the...
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Chemistry, 07.10.2019 21:20 franklynvaldez01
The longest question in
which of these terms means that "the present is the key to the past”?
a. superposition
b. uniformitarianism
c. relative age dating
d. absolute age dating
if you are younger than your best friend but older than another friend, do you know your absolute ages, relative ages, or both?
a. relative ages only
b. absolute ages only
c. both relative and absolute ages
if you are younger than your best friend but older than another friend, do you know your absolute ages, relative ages, or both?
a. relative ages only
b. absolute ages only
c. both relative and absolute ages
different forms of this element are often used in a type of radiometric dating that determines the ages of objects up to about 40,000 years.
a. argon
b. carbon
c. uranium
d. potassium
while an organism is alive, what happens to its c-14 to c-12 ratio?
a. it increases.
b. it decreases.
c. it remains constant.
d. it fluctuates up and down.
in a stack of undisturbed rock layers, the upper layers are younger than the lower layers. this is also stated as the law of
a. superposition
b. faunal succession
c. original horizontality
d. cross-cutting relationships
certain substances have been used to determine the absolute age of objects up to several years.
a. stable; billions
b. stable; millions
c. unstable; billions
d. unstable; millions
the tilting or folding of horizontal layers must occur
a. after the layers have formed
b. before the layers have formed
c. during the formation of the layers
in an undisturbed stack of rock layers, each containing fossils of once-living organisms, where would some evidence of the most ancient life forms most likely be found?
a. at the top of the stack
b. near the top of the stack
c. in the middle of the stack
d. at the bottom of the stack
fossils are most valuable in to determine the age of a rock.
a. relative
b. absolute
c. relative or absolute
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