Circle/ highlight the letter of the characteristic used to classify a
mechanical wave.
a. the height of its crest
b. the depth of its trough
c. the way it travels through a medium
d. the type of medium through which it travels

reserve is the answer

explanation:

to push or pull an object in a certain direction is known as force. a force in moving an object from one place to another.

force depends on the mass of an object. so, more is the mass of an object more will be the force required to move the object.

thus, we can conclude that the use of force to move an object is push or pull.