What two things do you need for a rocket to be powered? Be specific.

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

Geothermal energy for industrial use is available almost anywhere. a.true b.false

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa