Which of the following soil horizon designations is i the correct sequence from the surface to the bedrock?
A) O, E, C, B, A
B) A, B, C, O, R
C) S, O, I, L
D) O, A, E, B, C
D
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Which of the following is said to be quantized?
A) the number of eggs in an egg carton B) the amount of water in a glass C) the volume of air in a balloon D) the amount of time in an hour E) none of the above
Floodplain deposits are primarily ____
A)gravels and sand B)silts, clays, and muds C)formed via bedload transport D)poor in organic materials E)caused when braided streams overflow
Organisms that live on the seafloor are called ____________________
Fill in the blank(s) with correct word
The Earth's magnetic field is due to ____.
a. the presence of magnetic iron and nickel in the core b. gravity c. the occurrence of magnetite in all rocks d. convection in the liquid outer core e. none of these