Respuesta :
Washington is particularly vulnerable to ocean acidification. Washington's coastal waters experience seasonal upwelling where waters that are naturally low in oxygen and rich in CO2 rise to the surface. Coastal waters also receive excess nitrogen from human activities that can stimulate algae blooms.
What is oxygen ?
The chemical element with the atomic number 8 and symbol O is called oxygen. It belongs to the periodic table's chalcogen group, is a very reactive nonmetal, and an oxidizing agent that easily produces oxides with most elements as well as other compounds. After hydrogen and helium, oxygen is the third most plentiful element in the universe and the most abundant element on Earth.
Two atoms of the element combine to generate dioxygen, a colorless and odorless diatomic gas with the formula O 2, at ordinary temperature and pressure. The Earth's atmosphere is currently made up of 20.95% diatomic oxygen gas, though this has fluctuated significantly over a very long time. In the form of oxides, oxygen makes up over half of the Earth's crust.
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