Answer: 47.6 m/s
Explanation: Please see attached for the calculation and formula.
Is mantle plate versus lithospheric plate ,one of the choices.?
Answer: Fusion
Explanation:
Combustion is a chemical reaction in which hydrocarbons are burnt in the presence of oxygen to give carbon dioxide and water.
Nuclear fusion is a process which involves the conversion of two small nuclei to form a heavy nuclei along with release of energy.

Nuclear fission is a process which involves the conversion of a heavier nuclei into two or more small and stable nuclei along with the release of energy.

D. 5.098 x 106 is the correct answer when reduced to the proper notation.
Answer would be D sorry if wrong