Answer:
A cannot be accurately measured
Uranium-lead radiometric dating is most often performed on the mineral zircon.
Chronology is defined as a sequential order of events.
Answer:
An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
Explanation:
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