Some major concerns of earth science are

D. astronomy, meteorology, geology, oceanography, and environmental science

The five major areas of the study of Earth science are astronomy,

meteorology,

geology,

oceanography, and

environmental science

NOT:

A. chemistry, geology, oceanography, optometry, and philosophy.

B. astronomy, meteorology, geology, oceanography, and optometry.

C. biology, physical science, chemistry, physics, and optometry.