Why was the blood bright red, rather than the color of "coffee grounds"?

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Regarding most of the narrator’s story, which word best describes the tone?

What drives the atp synthase reactions that produce atp