Answer:
That hemoglobin is the substance that transports oxygen..
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Scientists have concluded that the average human body contains approx. 37.2 trillion cells. However it depends upon your size compared an average human being. :)<span />
Movement<span> of tectonic plates or giant rock slabs that make up </span>Earth's<span> surface, lifts up. Eventually, erosion or people digging for </span>fossils<span> will </span>expose<span> the preserved remains. </span>Describe<span> three factors that encourage the formation of </span>fossil<span> formation</span><span>.</span>