Who wrote the banned book that giordano bruno read that gave him the idea that the universe was infinite?

If you want to create an electrical current, which situation would produce a solution capable of this

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

Acontrol during an experiment. might change remains constant does not exist does change