In which of these statements are protons, electrons, and neutrons correctly compared? a. Quarks are present in protons and neutrons but not in electrons. b. Quarks are present in protons, neutrons, and electrons. c. Quarks are present in neutrons and electrons but not in protons. d. Quarks are present in protons and electrons but not in neutrons.

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature