It is a physical change when cream mixes with
coffee, it changes the color of the coffee. When you add more or less cream there
is a color change depending on the consistency of cream. The
properties are not changes and a no new compound is formed as in chemical
change with a reaction of two compounds, a new compound is formed with
different properties. So it is a physical change.
C. a plane for forming a scientific hypotheses
Answer: When you strike a tennis ball with a racket, the slight springyness of the racket allows the ball to propel forward
Explanation: