Answer:
To keep the earth safe and clean
Explanation:
If we keep the ocean clean then the water creaters will be able to live better, I mean how would you feel if someone was putting trash in your home., not so good huh. if you recycle your stuff like paper then frewer trees are cut down, yes they do plant one tree every time they take one, but it takes years for the oxygen to rebuild to the same leave, and without trees, not co2 and oxygen.
Zero; myocardial infarction. The posterior interventricular artery supplies much of the left ventricle, the systemic pump .
Fgggffffffffffffgffffffffgggggggggggggggg
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.
hope this helps
I do think that they close to not allow too much of either water or air from entering.
the hollow tube allows water to flow easily.
https://www.bbc.co.uk/bitesize/guides/z28g7p3/revision/1
