You find an old tree stump in a forest and would like to use it for tree-ring analysis, but you don't know when the tree was cut down. The best way to establish dates for the analysis is to:
A) submit the tree stump to carbon-14 dating analysis.
B) estimate the age of the tree stump based on the level of decay it has experienced.
C) assign small rings to years of known droughts.
D) compare patterns in the tree rings to ring chronologies sampled from nearby trees on known dates.
D
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How did plant and animal fossils contribute to the theory of continental drift?
What will be an ideal response?
Today, three fossil fuels provide more than 85 percent of the world's energy and more than 90 percent in relatively developed countries
Indicate whether the statement is true or false.
Even in a rare area in which there are no overlying sediments, there are sediments found in the water above
Indicate whether the statement is true or false
Judge the following sentence according to the criteria given below: Buckshot barnacles cannot survive above the high tide shoreline BECAUSE they don't have a protective shell
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct, but the reason is incorrect. D) The assertion is incorrect, but the reason is correct. E) Both the assertion and the reason are incorrect.