To date a sedimentary rock layer between two igneous rock units, geologists use radiometric dating and assume that the sedimenta
2 answers:
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Answer:
Infrequent but highly explosive
Explanation:
At a subduction zone, the descending plate carries with it sediments containing water and carbon dioxide.
These substances are trapped as fluids at high pressure in the rising magma.
When they reach atmospheric pressure at the surface, they become gases that expand suddenly and explosively.
