Sodium Chloride Magnesium Chloride Sodium Sulfate Carbon Dioxide

Q29: Which of the following is not a

Q30: Most marine animals live near the surface

Q31: Productivity is highest in _.<br>A)polar oceans<br>B)tropical oceans<br>C)temperate

Q32: In tropical regions the surface temperature of

Q33: The aphotic zone is the near-surface zone

Q35: The neritic zone is where the land

Q36: Organisms that feed through a food web

Q37: Most of the energy that is consumed

Q38: Scientists infer that chemical weathering of crustal

Q39: The _ zone refers to the area