Radioactive isotope with long half life would be the way to date a sample of rock that you suspect as being one of the earliest on Earth. Archaeologists very often use this method for checking the dates of the materials they excavate. I hope that this is the answer you were looking for and it has come to your help.
Answer:
This forms what is called a subduction zone.
Because after all if the natural things die we will too assuming most people depend on nature's vegetation to live
Answer:
<h2>A dry summer climate basically.</h2>
Changes in the supply source or sediment supply can begin or end the life of a river.
<h3>What other factors can affect the life of a river?</h3>
Other factors that can affect the life of a river are;
- The kind of rocks present on the shores
- The source and supply of sediments.
Sediments deposited continually on the shores of a river can gradually edge the river away from it's course or cut it off from it's source.
Hence, it is right to state that Changes in the supply source or sediment supply can begin or end the life of a river.
Learn more about rivers at;
brainly.com/question/908462
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