“How does increasing the force on an object affect the motion of the object” What are the independent dependent variables and the controls or constants

Abird sitting high in a tree is an example of what type of wnergy

The least penetrating form of radiation is

Would it be correct to say the doppler effect is the apparent change in the speed of a wave due to the motion of the source? be sure to fully explain your position using at least 3 complete content related sentences.