In fact, since at least as far back as Aristotle, the basic formula for comedy has had more to do with conventions and expectations of plot and character than with a requirement for lewd jokes or cartoonish pratfalls. In essence: A comedy is a story of the rise in fortune of a sympathetic central character.
The Acid Rain Problem. Carbon dioxide in the air can dissolve in rain water to form carbonic acid, H 2 CO 3. CO 2 + H 2 O H 2 CO 3. Carbonic acid is a weak acid. It partially ionises to form hydrogen ions. H 2 CO 3 H + + HCO 3 -. The hydrogen ions from carbonic acid give natural rain water a slightly acid pH value of 5.6.
Acid rain occurs when sulfur dioxide and nitrogen oxides âgases released by the burning of fossil fuelâform acidic compounds in the atmosphere.These fall back to earth in rain, snow, or sleet or as dry particles or gases.cid rain occurs when sulfur dioxide and nitrogen oxides âgases released by the burning of fossil fuelâform acidic compounds in the atmosphere.