Which of the following sources contributes the least to the emission of greenhouse gases?
A) fossil fuel mining
B) transportation
C) agriculture
D) waste disposal
E) power station operation
Answer: D
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____________________ are environmental indicators because they live in every climate and biome, respond quickly to environmental changes in their habitats, and are fairly easy to track and count
Fill in the blanks with correct word
What are the boundaries of Latin America according to the authors of your textbook?
A) Panama in the north to Argentina in the south B) Tijuana in the north to the La Plata River in the south C) the Amazon River in the north to Puntas Arenas in the south D) San Salvador in the north to Montevideo in the south E) the Rio Grande in the north to Tierra del Fuego in the south
When the temperature is below freezing from the surface to the 500 hPa pressure level, which precipitation type would be expected?
A. snow B. rain C. ice pellets D. freezing rain
Which industry releases the most toxic substances into the environment?
A. metal mining B. oil and gas C. chemical D. farming