2но, hydrogen peroxide 2но water oxygen 0. Describe what is happening in terms of atoms and bonds in this chemical reaction.

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.