51. Which of the following is NOT a physical change

Could someone me with number one you

What best describes the dropping height of a ball that bounces back up to a height of 45 cm

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse