Answer:
13. A group of Roaches moving in a group
14. Stepping on the Roaches to kill them
The probability would be 50%
Answer:
It is impossible for a negative stain to colorize the cells in the smear because the chromogen of the negative stain carries a negative charge and is repelled as a result of the negative charge present on the surface of the cell. In this light, the stain can only colorize the background, thus permitting visibility of the capsule and the cell.
Explanation:
First question: “Every system in the body relies on oxygen. From cognition to digestion, effective breathing can not only provide you with a greater sense of mental clarity, it can also help you sleep better, digest food more efficiently, improve your body's immune response, and reduce stress levels.” -google
