Answer:
osmosis
Explanation:
Movement of a solvent (such as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane.
Option B. A man pushes a couch across the room is the answer.
Trachea i believe is the answer
A question is something someone asks. A hypothesis is like a person's theory.
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.