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Refer to the graphs below to answer the following question(s).Above are data from a study (described in Module 6.3) conducted by Michael Lesser, Marc Slattery, and colleagues. The rate of photosynthesis (Graph A) and the amount of carbohydrate present (Graph B), an indication of photosynthetic production of sugars, were determined in sponges exposed to current temperature and pH (control) or to one of three test groups: the expected pH in 2100 (test group 1), the expected temperature in 2100 (test group 2), or both (test group 3).(Note: Significant difference between groups is denoted by a different letter above the bars; if two groups share the same letter, they are not statistically different.) The results of Graph B suggest that which statement is TRUE?

Water that has a low level of dissolved ions in it can be found in:

What percentage of U.S. waters meet the fishable/swimmable goal for pathogens in recreational waters today?

Refer to Infographic 8 To conserve the MOST water, people should eat less:

Which factor is NOT a major threat to ocean ecosystems?

Which factor can increase infiltration of stormwater in suburban areas?

The MOST well-documented effect of ocean acidification is on:

Refer to Infographic 1. What is the leading cause of impaired surface water in the United States?

Where would you find the HIGHEST concentration of coral reefs?

The LARGEST potential source of freshwater is found in: