The half-life of palladium-100 is 3.6 days. A sample of 12.0 grams of palladium-100 is left alone for 10 days. About much of the original sample remains?

Individuals within populations exhibit some diversity. as a result of possessing slightly different traits, some individuals are better able to survive and reproduce than others. if these individuals changes in the characteristics of the population may occur over time. the cumulative change in these characteristics is known as