It is semiprmeable which means that it lets some little things in and things that are too big are not allowed to pass through
There are many reasons why they should be classified. For starters, they enable us to understand better what kind of a mark they had on history. They also help us understand how they influenced the society and what exactly was revolutionary about them. The classification helps us understand the events surrounding them and following them and the classification can even help us predict what might happen in the future.
Answer:
The answer would be A
Explanation:
The dependent variable Does not change there for they can't change the student scores
1. Height
2. Fertilizer
3. Water
I hope this helps I would appreciate brainliest if possible :)