Between 1932 and 1968, a chemical factory in japan released mercury-laden wastewater into minamata bay. the mercury was modified to methylmercury by bacteria living in bottom sediments. this resulted in severe mercury poisoning in over 2,000 people. since people don't eat bottom sediments, what is the best explanation for how toxic levels of mercury ended up in affected people?

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve