What is created due to the decomposition of falling biological debris and zooplankton activity?
A) Bioluminescence
B) Oxygen minimum zone
C) Compensation depth
D) Disphotic zone
B
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The Mohorovicic discontinuity exists because
A) the temperature inside Earth changes with depth. B) the rock at this depth transitions from lower density to higher density. C) there is change in the physical state of rocks on both sides of the boundary. D) there is a difference in conductivity of the rocks on either side of the boundary.
The process whereby the earth's life changes over time through changes in genes of populations of organisms in succeeding generations is called ____.
A. emigration B. mutation C. natural selection D. evolution E. genetic drift
The main source of carbohydrates (one of the key nutrients) is lipids
Indicate whether the statement is true or false
Explain how the surface area of Earth's continents changed during the last ice age around 18,000 years ago. What will be an ideal response?