Which describes the effect of prolonged stress on blood pressure? a. it has little or no effect on blood pressure. b. it causes blood pressure to decrease. c. it causes the heart to pump with more force. d. it causes blood pressure to increase.

I believe the answer is D

That is

Your dog can sniff at or even eat a bit of catnip. the herb is edible and not harmful. just don't expect them to roll around like a cat would! your dog may scrutinize catnip by licking and smelling at it, or be totally indifferent to this stimulant.