Answer:
c
Explanation:
b/c Estuaries and their wetland. it depends on the fish species, spawing occurs in the river etc...
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Answer:
yo need to learn more sorry but I don't now
Answer:
When two hydrogens and an oxygen share electrons via covalent bonds, a water molecule is formed. An example of a simple chemical reaction is the breaking down of hydrogen peroxide molecules, each of which consists of two hydrogen atoms bonded to two oxygen atoms (H2O2).
The Earth’s atmosphere is important to living things because it protects organisms from the suns harmful ultraviolet radiation. It also provides oxygen for humans and animals to breathe, and carbon dioxide for the plants.
Hope this helps!