How is the molecule ch4 nonpolar how do the polar bonds cancel each other out?

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!