The last one ; box 1- Tt, 2= Tt, 3= Tt, 4=Tt,
I would say it is a function of all of the choices. if not then the answer is the circulatory system
c) Current cannot flow
Reason: Because the switch is not closed.
Animals communicate using signals, which can include visual; auditory, or sound-based; chemical, involving pheromones; or tactile, touch-based, cues
Answer:
yes I think so because more heat evaporates water