Question

Select all the correct answers which two generalizations can be made based on what you know about cycles of matter in a closed system new matters added an old matter is destroyed matter changes in his physical form allowing it to return to its original state the amount of water within the system remains the same matter and energy can cross the boundaries of the system the cycle has a well-defined starting and stopping point

Answer 1

It's The amount of matter within the system remains the same and The cycle has a well-defined starting and stopping point.

Step-by-step explanation: