Explain how active transport, atp, energy, and concentration gradients are related.

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)

The necleus of an atom is made up of what subatomic particles?