Answer:
Hey mate......
Explanation:
This is ur answer.....
<em>Technologies used to explore outer space and the ocean include submersibles, remotely operated vehicles (ROVs), satellites, rovers, diving/scuba gear, buoys, mega corers, water column samplers, and sonar for mapping.</em>
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Answer:
its c
Explanation:
the iron tail is away from the sun
Option B, "They need more oxygen to function, so gas exchange needs to increase. "
Structure L and I are the superior and inferior vena cava. They bring de-oxygenated blood from the body into the right atria.
Answer:
four oxygen molecules
Explanation:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
