Which of the following statements about matter and energy transfer is TRUE? A. Energy can be transferred into an ecosystem, but only matter can be transferred out.
B. Matter can be transferred into and out of an ecosystem, but energy cannot.
C. Both matter and energy can be transferred into and out of ecosystems.
D. Neither matter nor energy can be transferred into or out of ecosystems.

(help) science

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.