Answer: The surface water is usually saturated with oxygen, absorbed from the atmosphere and from photosynthesis of algae. In the deep water the oxygen is consumed when breaking down the organic matter that sinks from the surface. ... In areas with poor water turnover the oxygen in the deep water can become completely used up.
Explanation:
Assuming you mean that type of wave that crowds do at games, where a group of people throw their hands up and whoever is next to them throws their hands up shortly after and it continues down the crowd
<span>"Krazy" George Henderson created it
:)
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I would say C! Most developing countries have high birth and death rates, while developed countries are more steady.
The answer i believe is “c”
The answer is A or the first one