2 Name the reaction
is which the reactant
broke down into
simpler product.
s​

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Air can be considered a mixture. which statement does not explain why?