Which of the following is not known to be true of environmental pollutants?
a) mercury and lead cause brain damage
b) asbestos harms the lungs
c) most human cancer is caused by pesticides in the environment
d) radiation causes cancer in humans

Analyze the relationship between good nutrition and disease prevention: how can reducing your saturated fat intake lower the risk of heart disease?

Last 5 benefits of physical activity and identify each benefit as either a physical mental and emotional or social benefit

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