All elements have the same atomic emission spectrum?

What is the relation between concentration of reactants and the rate of chemical reaction?

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

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f