Question 9 (2 points) A ball is thrown into the air and gains 25 J of GPE. If it has a mass of 0.5 kg, how high did the ball fly?
Height:
Units: m
Blank 1:
Blank 2: m
Question 10 (4 points)

it is the second option.

i don't understand. explain it clearly

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.