In which phase of cellular respiration is oxygen a substrate ?

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

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

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains