What advantage do flexible water pipes have over rigid pipes during an earthquake?

What does all of the organ system in a human form

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.

Actual age your first developed of age well comparison age refers to absolute age true or false