Which situation describes opposite quantities that when combined would equal 0?(1 point)

Responses

A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?
A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then descends 10,000 feet. How many feet above the ground is the plane?
A plane ascends to 15,000 feet and then descends 10,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?
A plane ascends to 15,000 feet and then ascends 15,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?

A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?

The situation that describes opposite quantities that when combined would equal 0 is:

"A plane ascends to 15,000 feet and then descends 15,000 feet. How many feet above the ground is the plane?"