How does the pressure in the chest cavity affect airflow?

Me with these questions if you’re it sure don’t answer

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.

Archaebacteria use for movement. celia flagella pili cell walls