In the food chain, each feeding stage is called a ________ level
A) replenishment B) trophic C) bios D) none of these
B
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The presence of country rock inclusions in an intrusive igneous rock is evidence that the rock
underwent the process of ____________________. Fill in the blank(s) with the appropriate word(s).
The spreading-center segment at the southern end of California's Salton Sea is marked by all but which of the following?
A. high heat flow B. boiling mud pots C. glassy volcanic domes D. a lack of small earthquakes because magma is too close to Earth's surface E. major geothermal energy reservoirs
The units of energy and work
A. are the same. B. differ only by distance moved. C. differ only by time. D. all of the above
Which of the following happens when a B cell antibody interacts with its antigen?
A) The B cell is stimulated to divide. B) The B cell is stimulated to differentiate into plasma cells. C) both a and b D) neither a nor b