1 Substance abuse. Abuse of drugs and alcohol can contribute to panic disorder.  Major life stress. Stressful events and major life transitions, such as the death of a loved one, can sometimes trigger panic attacks, which can potentially recur and go on to become panic disorder.
Zero emission refers to an engine, motor, process, or other energy source, that emits no waste products that pollutes the environment or disrupts the climate. Contents.
1. A) carbon dioxide B) methane C) water vapor D) CFCs E) nitrous oxide 2. how can marketable emissions permits decrease the amount of a pollutant being generated by industry? A) The environmental defense fund or similar organizations can purchase pollution units and retire them, thus... show more 1.FCs are produced synthetically, but not through combustion of fossil fuels. The answer is B and D. #2: None of the above, as an emissions market should work in an ideal economic sense anyways.