The medulla oblongata is a portion of the brain stem that has no vital functions. A.
True
B.
False

False it is responsible for sneezing and coughing

answer; i do believe that the correct answer is ( portal of exit in the chain of transmission); good luck

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.