3 vocabulary words about Rare Embryo Found Inside Prehistoric Turtle Egg? Can you answer this quick I really need this answer, please help me... Is science

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane