The volcano is an elevated structure through which the flows out and cools down and forms a rock
the volcano is of 3 types
Active volcano
dormant volcano
Extinct volcano
when there is a large amount of gas released from the volcano it indicated that the volcano may erupt in the future as the gas may be released from any chemical reaction the stopping of the gas shows the chemical reaction which took place is over or slowed down but it denotes in the near future the volcano my erupt and can cause destruction
hence it is concluded that the dormant volcano can become active with the passage of time
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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.
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D. all of the above
(oil spills and whatnot for the fuel).
Answer:I believe it’s 9,-2 as the answer
Explanation:
