The answer is, C. nitrogen and oxygen. 78℅ of nitrogen and about 21℅ of oxygen domain most of the dry air.
Answer:Like other oceanic areas, the water column in the Indian Ocean also contains mid-depth O2 concentration minima, maintained by a combination of relatively high O2 demand by microbes that decompose organic matter sinking from the surface, and restricted O2 supply as a result of sluggish deep-water circulation and mixing.
Explanation:
its a google definition so i suggest using parts
A
not organic all run by machines
Answer:
7,079 species are classified as critically endangered—the most threatened category of species listed by the IUCN—or else are dependent on conservation efforts to protect them.
Explanation:
<h3>The frequency is = 1/t = w/2π of the motion per unit time. It is measured in Hertz. (1hz = 1m/s.) </h3>