Answer:
The amount of matter within the system remains the same.
The cycle has a well-defined starting and stopping point.
Explanation:
A closed system can be defined as a system in which there is the only exchange of energy with the surrounding, while no exchange of matter takes place.
In a closed system, the cycle has a well-defined starting and stopping point.
Therefore, the two generalizations which can be made for cycles of matter in a closed system are option 3 and 5)
Answer:
Interleaved practice.
Explanation:
As the exercise explains, the interleaved practice is closely related to distributed practice, involving a practice schedule that mixes different kinds of problems or materials within a single study session. Furthermore, this process of mixing attempts to commit them to memory, to improve their learning skills. It develops a better long term retention and improves the ability to transfer learned knowledge.
The first versions of the Liberty Bell had cracks in it, but those cracks were repaired. It is however not known exactly how it got the crack that we know today: the version most cited today propose that it cracked during the birthday celebration of George Washington.
