The chlorine freed from the cfc acts as a catalyst and transforms in the into elemental oxygen. it is estimated that a single chlorine atom can destroy up to 1 million ozone molecules per second. a) nitrogen b) oxygen c) ozone d) radon

The answer is Oxygen. Oxidizeris a powerful, it deodorizes water and kills germs at concentrations of 1 part per million. At even lower concentrations in air it causes coughing, chest pain, and eye irritation.  This reaction occur over and over again, let a single atom of chlorine to act as a catalyst, it will affects many molecules of ozone. Experiments show its molecular structure exhibits resonance, as the oxygen-oxygen bonds are both identical. For ten points, identify this poisonous blue gas, whose molecules each contain three atoms.

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answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus