Gas can be liquefied easily by applying pressure and reducing temperat

1.	Gas can be liquefied easily by applying pressure and reducing temperature. true or false
Answer» Hope it HELPS you.Explanation:Hemoglobin, or Hb, is a protein molecule found in RED blood CELLS (erythrocytes) made of four subunits: two alpha subunits and two beta subunits (Figure 20.19). Each subunit surrounds a central heme GROUP that contains iron and binds one OXYGEN molecule, allowing each hemoglobin molecule to bind four oxygen molecules.

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