Answer:
Burning trash.
Explanation:
When we burn trash, it creates small particles of ashes. This small particle of ashes become mix up with the air. Air can blow these particles to the river or any other water resources, which contaminate the water and make a negative impact.
Raising livestock also has some negative impact on contaminated water and makes a negative impact, but burning trash makes the more negative effect more.
Hmm due to some thinking and having some knowledge of the body. I believe the crani refers to the skull. Crani could be considered short for cranium which refers to the skull. I hope that this helps!
Answer:
it would probably stronger and more resilient because it will have adapted to the difficulty of living there
You can be any drop of water you like. (Just don't be a drip.) Let's say you're a drop of water in the Ohio River. You are just floating along doing your water thing when the sun starts shining down. The sun warm
Answer:
The source of pollution that decreases the oxygen level of water are plant fertilizer and animal manure.
Explanation:
Plant fertilizer that is applied in the agricultural field when enter into the water body, causes water pollution which increases minerals into the water body and animal manure contain raw material which causes eutropication that means increase algal bloom. This indirectly decreases oxygen availability into the water body.
