Which role does a performer not play in the musical community? A. interpret a composer's work B. perform a composition
C. engage the audience
D. write a news article about the performance

i think the correct answer would be adjustments in life roles.  this causes for one to adjust or change totally his/her career or lifestyle since the present is not beneficial to the life role he is at. for instance, you became a mother you would of course stop going to malls and enjoying life outside. you would be staying at home taking care of your child.

motion can be transfered from one object to another by having an objetct in motion push or hit it

the rigid outer part of the earth, consisting of the crust and upper mantle is the lithosphere.     answer   crust and outer part of the mantle.