Alguien me ayuda es para hoy

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science

What kinds of foods are high in lipids?