Which of the following is a mechanical wave? a
An X-ray taking photos of your bones with X-rays
b Ocean waves crashing on the shore
CUV rays giving you a sunburn
d A microwave oven heating food with microwaves
e
Radios picking up radio waves

What is the number of moles in 15.0 g ash3?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong