QUESTION: Fix punctuation: To maximize sales on a eCommerce site nothing better than a person who can come and help your customers find the products they want
ANS: To maximize sales on a eCommerce site, nothing better than a person who can come and help your customers find the products they want.

QUESTION: Fix punctuation: In 1946 permission got given to motor racing on the track which proved well suited for motor cycles as well as for cars However we have no record of meetings before 1951
ANS: In 1946 permission got given to motor racing on the track, which proved well suited for motor cycles as well as for cars. However we have no record of meetings before 1951.

QUESTION: Fix punctuation: The methane released from decomposing organic material in reservoirs would otherwise be stored in carbon sinks such as topsoil forests rivers or oceans
ANS: The methane released from decomposing organic material in reservoirs would otherwise be stored in carbon sinks such as topsoil, forests, rivers, or oceans.

QUESTION: Fix punctuation: Training wheels actually make this more likely as even small bumps can send them over Thats why a smaller even used bike is better
ANS:
Training wheels actually make this more likely as even small bumps can send them over. That's why a smaller, even used, bike is better.