Cardiorespiratory Endurance is the ability of the respiratory system to supply enough oxygen to sustain physical activity for a long period of time.

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?