Cual es el bioelemento mas importante de cada categoría (primarios, secundarios, oligoelementos) y el porque porfaa

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

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?