People who are lactose intolerant lack the lactase enzyme. They often experience digestive problems when they eat dairy products. Do the results of Demetri's experiment support this scenario? Explain your response.

i dont know it at allnow im just getting points at this pint

characteristics of hydrocarbons

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.