It is important, but not absolutely necessary, for air to enter through the nasal cavity. AGREE or DISAGREE?
explain also

Which of these is not related to the teeth? a. chymob. pulpc. enamold. dentin

Which of these is a fact about performance enhancing drugs? a. steroids lack addictive properties. b. steroids use can cause dangerous side effects. c. it is safe to use steroids when working out. d. a person can get in legal trouble for using steroids.

Most people deal with their mental disorders head on.true or false?