Fossil fuels represent
A) a large amount of Paleozoic and Mesozoic biomass buried anaerobically millions of years ago.
B) natural deposits of organic materials that formed long before life on Earth evolved.
C) the remains of fossil animals that lived a few thousand years ago.
D) sustainable sources of energy that are underused today.
A
You might also like to view...
Earth formed ____________________ billion years ago. Fill in the blank(s) with the appropriate word(s)
Today invasive species are commonly transported through the oceans on the hulls of ships.
Answer the following statement true (T) or false (F)
Biological nutrient removal ultimately converts most of the organic materials in wastewater into
A) oxygen, ammonia, and carbon dioxide. B) nitrogen, water, and carbon dioxide. C) sugars, vitamins, and minerals. D) proteins and carbohydrates.
Flash floods can be dangerous in the desert
a. True b. False Indicate whether the statement is true or false