The lake water in a location in Florida had an unusual color…

The lake water in a location in Florida had an unusual color and smell. Investigations revealed that the lake water contained high levels of toxic fertilizers and pesticides which were carried into the lake from gardens and common areas in the location. How can people prevent toxic run-off into the local lake? (3 points)

The table below shows the salmon population, in thousands of…

The table below shows the salmon population, in thousands of pounds, in Columbia River, from 1870 to 1950. Year Salmon population (in thousands of pounds) 1870 10,200 1890 20,000 1915 20,500 1931 30,000 1950 10,000 Based on the table, which of these is most likely the period during which a series of large hydropower units were built on the Columbia River? (3 points)