Which is the best definition of a solution?
a. a solution is two gases mixed together.
b. a solution is a mixture that has the same composition throughout. c. a solution is any two liquids mixed.
d. a solution is the same as a mixture.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.