Question

Which two generalizations can be made based on what you know about cycles of matter in a closed system?

A. New matter is added, and old matter is destroyed.
B. Matter changes its physical form, allowing it to return to its original state.
C. The amount of matter within the system remains the same.
D. Matter and energy can cross the boundaries of the system.
E. The cycle has a well-defined starting and stonninn noint

Answer 1

C. The amount of matter within the system remains the same.

E. The cycle has a well-defined starting and stonninn point

Step-by-step explanation: