Which type of engine would do the best job moving a rocket that has reached orbit?

Work is reduced while time is decreased

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.

Wut 

It has more electrons than an neutral object