Popular FAQs
Methane is a gas composed of carbon and hydrogen. It has the chemical formula CH4. Methane originates from several different sources.
Microbial methane is produced through biologic decomposition of organic matter at shallow depths and without extensive...
A drought is a period of drier-than-normal conditions that results in water-related problems. Precipitation (either rain or snow) falls in uneven patterns across the country. The amount of precipitation at a particular location varies from year to year,...
In the United States, it was estimated in 1985 that the total dollar losses from landslides average between $1 billion and $2 billion per year. (As this is an old estimate, a more realistic number is between $2 billion and $4 billion per year, computed...
Volcanic activity began in the Yellowstone National Park region a little before about 2 million years ago. Molten rock (magma) rising from deep within the Earth produced three cataclysmic eruptions. The first caldera-forming eruption occurred about 2.1...
Yes, iceworms do, in fact, exist! They are small worms that live in glacial ice in Alaska, Washington, Oregon, and British Columbia; they have not been found in glaciers elsewhere. Contrary to stories and songs, they do not give glacier ice its blue...
UraniumUranium is a trace element that occurs naturally in the earth's crust. Uranium is the first element in a long series of decay that produces radium and radon. Uranium is referred to as the parent element, and radium and radon are called daughters....