Answer:
Aquatic ecosystems include oceans, lakes, rivers, streams, estuaries, and wetlands. Within these aquatic ecosystems are living things that depend on the water for survival, such as fish, plants, and microorganisms. These ecosystems are very fragile and can be easily disturbed by pollution.
Explanation:
When h forms a bond with h2o to form hydronium ion, h3o , this bond is called a coordinate covalent bond.
The best way to help earth’s water supply last for future generations is to make <span>factories recycle water.</span>
Cyclins are a family of proteins that <u>[</u><u> </u><u>A </u><u>]</u><u> </u><u>Regulate</u><u> the</u><u> </u><u>cell </u><u>cycle</u>
