Answer:
D. Quantitative
Explanation:
Quantitative observation deals with numbers, or amounts.
Qualitative observation deals with de- scriptions that cannot be expressed in numbers.
The answer to this question would be: resistance
When a patient developing a resistance to a certain drug, the same amount of doses will not exert the same effect as before. The effect will be lower, thus the doctor will need to increase the dose to increase the effect
It'd be a physical change. This is because it's a change in the state of matter and not altering the chemical structure of water
The term amphoteric describes a substance that can act as both an acid and a base.
