<span>
is a contact method of checking surface roughness for values greater than. 2µ”.</span>
Cholera, its a water borne disease.
The cell membrane allows substances to enter and leave the cell and gives the cell structure.
Answer:
A. Danny stores the chemicals required for his experiment in flasks and beakers.
Explanation:
It is unsafe to store chemicals in open containers such as, a flask or beaker.
