A fault has cut layers of sedimentary rock. In determining the relative ages of the sedimentary layers and the fault, which principle do you ultimately need to use?
A. Principle of unconformitiees
B. Principle of inclusion
C. Principle of crosscutting
D. Principle of superposition
Ans: C. Principle of crosscutting
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What can you learn from soil and air temperature?
a. Soil temperature is an indicator of frozen ground status, driven partly by air temperature variability. b. Soil temperature is an indicator of frozen water status, driven fully by air temperature variability. c. Soil temperature is an indicator of heating ground status, driven fully by air temperature variability. d. Soil temperature is an indicator of heating water status, driven partly by air temperature variability. e. none of the above options are correct.
The ____________ ____________ is the depth where respiration equals photosynthesis. Fill in the blank(s) with the appropriate word(s)
Dissolved oxygen concentration is highest near the surface because
1.that’s where it comes in contact with air.
2.this is where whales release oxygen when they “blow.”
3.warmer water there holds more dissolved oxygen.
4.phytoplankton photosynthesize there.
The new generation of weather radar that is capable of detecting motion directly is called ________ radar
Fill in the blank(s) with correct word