Who discovered that hydrogen and helium formed during the early stages of the big bang

Answer asap ! 6) who was the main character of the odyssey? a. athena b. odysseus c. poseidon 7) what were the main foods of the myceneans? a. olive oil, goat cheese, fish, bread, and wine. b. wheat, barley, and milk. c. oats and chocolate 8) who were the main characters of the iliad? a. odysseus and athena b. athena and poseidon c. king agamemnon and achilles