Question

The number line shows the elevation of the bottom of a harbor and the elevation of a fish swimming close to the surface what change in elevation is necessary for the fish to reach bottom?

Answer 1

Answer:

Whatever number is larger than the number of the elevation of the bottom of the harbor

Step-by-step explanation:

the elevation needs to be smaller than the decrese of the elevation like this.

Ex:  The temputure elevated 28 degrees then decreased 30 degrees.

Boom :]

Answer 2

Determining on what the harbor number is.. it would be the greater or higher number