Read this US policy on clean water. The Clean Water Act (CWA) establishes the basic structure for regulating discharges of pollutants into the waters of the United States and regulating quality standards for surface water. –Summary of the Clean Water Act, Environmental Protection Agency How can the Clean Water Act best promote health by monitoring a toxic spill that affects a drinking water supply by providing pamphlets related to the quality of drinking water by carrying out research about the effects of large discharges by controlling the amount of water people use in their homes

You should never drive a car if you are a.taking cold medication b. suffering from the flu c. drinking alcohol d. all the above

Which incomplete plant-based protein can be combined with legumes to achieve balance nutrition

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.