Why are open systems inappropriate for studying the conservation of mass?(1 point)

Question

Responses

Heat can escape from or enter the system.
Heat can escape from or enter the system.

Matter may be lost to or gained from the surroundings.
Matter may be lost to or gained from the surroundings.

Matter may be created or destroyed within the system.
Matter may be created or destroyed within the system.

The sample may become contaminated.

Answer 1

Matter may be created or destroyed within the system.