Select the correct answer Nitrogen (N) and hydrogen (H) react with each other to produce armonia (NH), This reaction is om in an ecuation as 192 * 3+2 - 2012 What is the ratio of nitrogen atoms to hydrogen atoms in ammonial A 1 2 B. 1103 G2101 D2 to 3​

Iknow the answer is a but i don't know why

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

How far is the region from the equator or control climate