A striped billiard ball rolls and strikes a motionless solid billiard ball. The solid ball then begins to roll. Which best describes the change in the magnitudes of momentum for the balls?
The change is greatest for the solid ball.
The change is greatest for the striped ball.
The change is the same for each ball.
The change depends on the direction each ball rolls.

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

Analogy- 1 is to arete as 5 is to cirque horn glacial valley hanging valley

What are some natural processes that represent physical and chemical changes?