Harry lives in the city and he has a lung condition known as asthma on certain days Harry has to stay inside because pollutants in the air make it difficult for him to breathe which of these pollution sources or non-point source is that might bother hairy if he goes outside choose to buy apply a cars on the highway b his gas fuel lawnmower c nearby factories and d smoke from their grill

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !