Cyanobacteria don't need oxygen to survive they produce oxygen. They where the first ever known organisms on the planet and they produced oxygen in the oceans which was absorbed by iron deposits and then once the iron had oxygen the ocean got the oxygen until it got into the atmosphere and Eukaryota bacteria evolved. So the answer would be: <span>They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.</span>
Answer: Animal
Explanation: Us humans are an animal because we don’t make our own food like plants do. We kill and eat other plants and animals.
D. The fact paper bags tear easily and fall apart when wet is a limitation (cost) of using them, while the other options are pros.
<span>that person will have only type O blood</span>
