In my past learnings, Sample size is no. of units in a population that need to be studied. The number of units can include animals, persons, or any specific or specified circumstances. Hope this helped..!
Some molecule can pass through but others cannot because they are too large to pass through. This is also called selective permeability.
Answer:
is there more
Explanation:
is there more to the question
The correct answer is c. Genetic Variation. Bacteria are very numerous, ad random mutation of bacterial DNA generates a wide variety of change, including resistance.
Statistics is the type of math utilized by scientist to analyze there data.