Answer is: a) I only.
Above critical temperature of CO₂, a gas cannot be liquefied no matter how much pressure is applied. Temperature and pressure above its critical point is called supercritical fluid and this is <span>intermediate between gaseous and liquid states.</span>
Answer:
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The answer is C) Protons and Neutrons
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You would find the atomic weight of phosphorus and multiply that 2.3 and get 71.23.