What kind of element does a atom make?

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

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false