Answer: Basic
Explanation: water is "neutral" with a ph of 7, the ocean has like 8 so it is more basic on the scale
She can put chalk in vinegar as the vinegar will disintegrate the chalk chemically demonstrating chemical changes. But for physical changes she can break the chalk into small pieces by smashing it with something or her hand.
Beaker would be most appropriate for measuring the approximate volume of a liquid.
Answer:
microscopic means that they are very very tiny, you cannot see them with the human eye, you have to use a tool like a microscope
Explanation: