Barrons AP Environmental Science

(E) Reforming is a chemical process of splitting water molecules. Thermolysis is breaking water molecules ...

(D) Oil supplies about 36%, coal about 26%, and natural gas about 23%. ...

(D) A joule is a unit of energy. ...

(A) Pollution is harmful, which is the first part of the answer. A negative feedback loop tends to sl ...

(B) In cold climates, large south-facing windows allow significant solar energy into the house and also p ...

(B) The construction of hydroelectric plants is initially expensive but the operating costs are low since the ...

(C) China has passed legislation to increase its percentage of renewable energy to 10%. The United States’ perce ...

(E) The combustion of natural gas releases very small amounts of sulfur dioxide and nitrogen oxides, virtually ...

equation) where: A sample calculation follows: Therefore, the percent growth in China’s coal consumption during th ...

Coal is mined and transported to a coal-fired power plant. Coal is commonly pulverized prior to being inje ...

the plant is constructed. Nuclear energy production also does not release sulfur oxides, particulates, or ...

(E) As the sunlight becomes more intense, nitrogen dioxide (NO 2 ) is broken down into nitric oxide (N ...

(C) Nitrogen dioxide can also react with volatile organic compounds (VOCs) released by vehicles, refineri ...

(E) Teratogens are substances or environmental agents that cause abnormalities in a fetus during pregnancy. ...

(D) This step is present in the formation of photochemical smog. ...

(C) Radon is a naturally occurring radioactive gas that causes cancer and may be found in drinking water ...

(A) Review the reactions required to form acid deposition. ...

(B) Rain is naturally acidic due to the presence of carbon dioxide in the air, which forms carbonic acid ...

(B) The World Health Organization (WHO) estimates that up to 30% of commercial buildings worldwide may be ...

(D) Developing countries around the world are experiencing increased levels of particulate matter as a result ...