I think it’s D. H2, NaCI, CO
Answer:
Icecaps, Glaciers and Groundwater
Answer:
I think it might be A. I'm not sure.
The thymus gland is the main organ of the lymphatic system. Located in the upper chest region, the primary function of this gland<span> is to promote the development of specific cells of the immune system called T lymphocytes.</span>
