In humans, the maintenance of a warm, stable body temperature around 37 degrees Celcius is
A) an example of homeostasis.
B) a result of fMRI.
C) the result of feedback regulation of blood pH.
D) one of the functions of melatonin.
A
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What is a problem with power generated by wind or sun?
A) It can create power surges that endanger the power grid. B) governments rarely give tax subsidies to renewable energy industries C) It results in extensive disruption of local power sources. D) Energy cannot be transferred from sunny or windy areas to other areas. E) It requires constant sun or wind.
The recent surge in growth in the mining sector is largely due to increased trade with which nation?
A) China B) United Kingdom C) United States D) Japan E) New Zealand
The single largest aragonite sand mining operation is in Alaska
a. True b. False
The zone of ____________________ is the portion of a glacier where additions exceed losses. Fill in the blank(s) with the appropriate word(s)