Trying to delete this question.

Drug abuse will not lead to physical and psychological dependence. true or false ?

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule