PLEASE HELP 4. A bullet of mass 30 g is fired from a rifle of mass 5kg at a speed of 259m/s.  a) What is the momentum of the rifle just after the bullet is fired? 

b) What is the recoil velocity of the rifle?​

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.

The answer to the question is (a)   

Answer burning gas in a fire