Acar traveling at a constant 50 miles per hour turns left on the interstate. what is happening here? a) nothing because the speed is constant b) velocity because the direction is changing c) acceleration because speed is constant but, direction is changing d) displacement because the car is moving

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.