Which best describes the source of oxygen in ocean water? A. Oxygen is produced by marine plants in the process of making food.
B. Oxygen is produced through the exhalations of marine animals.
C. Oxygen is produced through precipitation falling on the ocean.
D. Oxygen is produced by nodules on the ocean floor

b

trust me my teacher gave me the answer

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do