Remy wonders if the height of the mountain has anything to do with the eventual size of the tsunami wave. how should remy test this?

D. Build different sized model mountains at the edge of a pool, pour sand down the side of each mountain, and see how large each resulting wave is.

THE ANSWER IS

Build different-sized model mountains at the edge of a pool, pour sand down the side of each mountain, and see how large each resulting wave is.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.