If earth was not a connecting system then the heat from its interior wouldn’t have effect on the tectonic plate at all. The heat from the interior causes the tectonic plates to shift, which effects the oceans sea floor and does cause volcanos to be created.
Your answer would be B
If this answer is incorrect, then i am sorry
This is not a question this is negative
Answer:
speaker or <u>H</u><u>eadphone</u> or D.J. or buffer or microphone
Explanation:
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