Select all the correct answers. Which two generalizations can be made based on what you know about cycles of matter in a closed system?
O
New matter is added, and old matter is destroyed.
O
Matter changes its physical form, allowing it to return to its original state.
The amount of matter within the system remains the same.
Matter and energy can cross the boundaries of the system.
O
The cycle has a well-defined starting and stopping point.
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The answer is b hope this

Active site is where they touch.

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.