Answer: 4
Explanation:
It is composed of a cell, but does not have
tissues.
Answer B did this a few ago
Answer:
In this, the controlled variables are stirring and type of sugar. As more stirring might elevate the amount of sugar that dissolves, and different kind of sugars might dissolve in distinct concentrations. So, in order to make sure a fair test, there is a need to keep these variables similar for each cup of water.
Explanation:
I am sure the answer is repel because human hair carries negative charges which mean they will repel because like things repel