4 multiple choice 1 point what kind of energy source is the most harmful to the earths air? hydroelectric…

4 multiple choice 1 point what kind of energy source is the most harmful to the earths air? hydroelectric coal solar wind 5 multiple choice 1 point \asthma attacks and severe bronchitis can be triggered by dirty air.\ what is the meaning of triggered as used in the quote? caused absorbed into prevented offended

4 multiple choice 1 point what kind of energy source is the most harmful to the earths air? hydroelectric coal solar wind 5 multiple choice 1 point \asthma attacks and severe bronchitis can be triggered by dirty air.\ what is the meaning of triggered as used in the quote? caused absorbed into prevented offended

Answer

Brief Explanations:

For question 4, hydroelectric, solar and wind are clean energy sources with little to no harm to air. Coal - burning releases large amounts of pollutants like sulfur dioxide, particulate matter etc. into the air. For question 5, in the context of dirty air causing asthma attacks and bronchitis, "triggered" means caused.

Answer:

  1. coal
  2. caused