Compare how the sound waves move in air, aluminum, steel, and water. Use data fre Form an explanation for the differences in speed.

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down

The law of states that traits are passed from parents to offspring independently of one another.. true or false