Particles that orbit the nucleus are called electrons.
Explanation: Electrons are negatively charged particles arranged in orbits around the nucleus of an atom and determining all of the atom's physical and chemical properties except mass and radioactivity.
Non metals can not give electrons to hydrogen in water to be released as H2 gas
Answer:
"Low levels of the hormone epinephrine, also called<em><u> adrenaline</u></em>, cause blood vessels to relax and widen. High levels of this same hormone, along with the hormone norepinephrine, cause the blood vessels to narrow and the heart rate to rise, <u><em>increasing blood pressure</em></u>."
Explanation:
16: solar energy, 17: glucose, 18: heat, 19: atp
<span>They absorb calcium ions and bicarbonate (hydrogen carbonate) ions.
Sooo B
I hope this helps! :)
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