What is the meaning of life

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Are the earth's ocean floor and continents the same age geologically? why or why not?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels