Question

6) Your tank of A) raise it a 100 times its present value B) cut it in half C) double it D) raise it a 200 times its present value E) reduce it to 1/100 of its present value 7) Acidification of seawater would affect marine organisms like corals and shell-building by? A) decressing dissolved carbonate concentrations and hindering growth B) increasing dissolved carbonate concentrations and hindering growth C) decreasing dissolved carbonate concentrations and promoting faster growth D) increasing dissolved carbonate concentrations and promoting faster growth

Answer 1

6) The correct option is A)Raise it to 100 times its present value.

                             Your tank of swamp fish needs a pH of 5, and the pH is 7 at present. you do to the H⁺ concentration should raise it to 100 times its present value and each pH unit is a 10-fold change in [H⁺] concentration.

7) The correct option is A) decreasing dissolved carbonate concentration and hindering growth.

                          Acidification of seawater would affect marine organism like corals and shell building by acidification would decrease dissolved carbonate concentrations and hinder growth of corals and shell-building animals. The building of skeletons in marine creatures is sensitive to acidity. To make calcium carbonate, shell-building marine animals like as corals combine a Ca⁺² with carbonate from surrounding seawater, and releases carbon dioxide and water in the process.