Hundreds of millions of years ago, in the formation of fossil fuels, large amounts of
A) organic detritus were trapped underground.
B) nitrogen were trapped in rocks during extensive volcanic activity.
C) sodium were used to form ancient fossils, seashells, and limestone.
D) phosphate gas were added to the atmosphere through erosion and evaporation.
A
You might also like to view...
Which of the following is not a renewable energy source?
A) wind B) solar C) heat from the sun D) water E) oil
At a certain depth, the spaces in soil and rock are completely filled with water. What is this called?
A. the zone of saturation B. watershed C. runoff D. surface water E. the bedrock
An intern made an error and gave a patient a dose of 500 mg rather than 500 mg of a drug. Which of the following is true?
A) the patient received an overdose by a factor of 1000 B) the patient received an overdose by a factor of 100 C) the patient received an underdose by a factor of 1000 D) the patient received an underdose by a factor of 100
The second most important economic mineral resource extracted from the seafloor today is manganese from manganese nodules
Indicate whether the statement is true or false