C) The mountain lion population would drop below its current level.
Autosomal recessive inheritance: two unaffected people who each carry one copy of mutated gene for and autosomal recessive disorder (carriers) have a 25% chance with each pregnancy of having a child affected by the disorder.
The answer is: [D]: hydrochloric acid (HCl).
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Hydrochloric acid (HCl) contains no carbon atoms; therefore it is NOT an organic molecule.
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I believe you use the pH scale with comparing acids and bases.