Answer:
A. Carbon dioxide travels from the heart to the lungs in pulmonary arteries
Explanation:
Must have more protons. Protons are positively charged, so if the atom (or in this case ion) has a net positive charge, it must have more protons (+ charge) than electrons (- charge).
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You stuck?
Humans use selective breeding to pass desired TRAITS on to the next generation of organisms.
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<span>Humans did not evolve from apes,
gorillas or chimps. We are all modern species that have followed
different evolutionary paths, though humans share a common ancestor with
some primates, such as the African ape. The timeline of human evolution is long and controversial, with significant gaps.</span>
I think the answer is B because it use mechanical power and convert it into electricity
