Answer:
this question doesn't make any sense. where are the different parts that we're trying to match up?
Answer:
1. Aqueous solutions of acids are electrolytes, meaning that they conduct an electrical current.
2. Acids have a sour taste.
3. Acids change the color of certain acid-base indicators.
4. Acids react with active metals to yield hydrogen gas.
Explanation:
I looked it up.
A cell is the smallest LIVING unit in a body. An atom is the smallest "nonliving" unit.