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A location in Florida is facing acute water shortage. Which of these is the best method to conserve water in homes of the location? (3 points)

A nuclear power plant produces huge amount of electricity. However, it dumps radioactive wastes into the sea. This has led to an increase in illness among people living along the coast. Which of these is the best method to solve this problem? (3 points)

The table below shows some surface features and processes.   1 2 3 4 Surface Features Caves Sinkholes Geysers Hot Springs Process responsible for formation Physical and chemical actions of groundwater Dripping of groundwater from the ceiling of an underground cave Chemical reaction between limestone and acid in groundwater Global warming leading to rise in temperature of surface water Which column in the table correctly matches a surface feature with the process responsible for its formation? (3 points)

The pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, Star 1, Star 2, and Star 3. Which of these statements is correct about the color of the three stars? (3 points)

Which of these pictures best shows a watershed model? (3 points)

Which of the following best describes the transfer of phosphates and the impact on the environment and human health? (3 points)

Two stars, Star 1 and Star 2, are at almost equal distances from Earth. The table below shows the masses of the two stars. Name of Star Mass of Star (in million solar masses) Star 1 3.61 Star 2 11.73 Which of these statements is most likely correct about the stars? (3 points)

The graph below shows the salmon population, in thousands of pounds, in the Columbia River, from 1866 to 1983. Based on the graph, which of these conclusions is most likely correct? (3 points)

Which of these best matches surface features with the processes that are responsible for their formation? (3 points)

Which of these pollutants is transferred from soil to water by fertilizer runoff from farms and leaky septic tanks? (3 points)