In the upper atmosphere, the bombardment of neutrons with nitrogen-14 varies somewhat over time.If in the past this rate had been lower, objects dated by _______ dating would now appear _______ than they really are.

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Carbon-14 dating is used to date objects up to about 50,000 years old. The rate of bombardment of neutrons with nitrogen-14 in the upper atmosphere has been relatively constant over the past 50,000 years. However, if this rate had been lower in the past, then there would have been less carbon-14 produced. This would mean that objects dated by carbon-14 dating would now appear older than they really are.

In the Upper Atmosphere, the Bombardment of Neutrons with Nitrogen-14