Oesophagus • Boluses of food pass through by
involuntary movements of the longitudinal
and circular muscles, primarily in the digest
tract that occur in progressive wavelike
contractions.

The correct answer is - Peristalsis

Explanation:

Boluses of the food move through involuntary movements of circular and longitudinal muscles known as Peristalsis is, mainly in the digestive tract or alimentary canal. These movements are likes waves or contraction in the alimentary canal.

In the oesophagus, the movement of this series of movements known as peristalsis starts from the top portion of the tube and pushes the food and pushed it into the stomach. 

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.