The best weight to use for weight training in order to increase strength is one that
a. is challenging but still allows for proper form
b. is heavy enough to quickly reach exhaustion
c. is light enough to prevent injury
d. fits comfortably into the palm of your hand

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants

What is a possible consequence of abusing intravenous drug such as heroin? a-hiv transmission b-alcohol poisoning c-improving appetite d-lung cancer

Effective community programs the individual, the community, organizations, and the government. select the sentence that shows a benefit to organizations. ryan and farah were discussing voluntary work. ryan was very keen to work on health-related issues. he knew that many districts had effective community programs. farah recently read a report about a local community program that reduce the rate of heart diseases by 30 percent. this reduced healthcare costs. local companies also saw productivity increases.