Can someone solve #14 and #18?

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Select the correct answer from each drop-down menu. in the process of nuclear fission, . fission only happens to very atoms. the fission process usually also produces several free .

Ddt is made from the __ of unsaturated hydrocarbons