Jacob described two layers of earth's atmosphere. layer a: contains the air we breathe layer b: absorbs x-rays which statement is most likely true? layer a is the troposphere and layer b is thermosphere. layer a is the thermosphere and layer b is troposphere. layer a is the exosphere and layer b is the thermosphere. layer a is the thermosphere and layer b is the exosphere.

layer a is the exosphere and layer b is the thermosphere.   is the answer i think but i hope this .

it is called kinetic energy

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.