One of the main reasons people can walk barefoot on red-hot coals of wood without burning their feet has to do with
A) low temperature of the coals.
B) low thermal conductivity of the coals.
C) mind over matter techniques.
B
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Which of the following represents an alarming positive feedback loop of global warming?
A) Increasing temperatures raise humidity, which further increases temperatures. B) Decreased pH of the ocean increases the rate at which carbon dioxide is absorbed by the oceans from the atmosphere. C) Increased use of fossil fuels adds ozone to the stratosphere, which traps more heat. D) Increased levels of atmospheric carbon dioxide decreases photosynthesis, which further increases atmospheric levels of carbon dioxide.
The dashed lines show isobars and the arrows show the wind direction (cc, convergence). What type of weather system does this show?
b. A low-pressure system on the Southern Hemisphere. c. A high-pressure system on the Southern Hemisphere. d. A high-pressure system on the Northern Hemisphere.
Sometimes referred to as the "Third Pole" the Tibetan Plateau is home to some 18,000 glaciers. The melt water from these glaciers provides drinking water to over a third of the people on the planet
Indicate whether the statement is true or false
A sensor that measures the emitted radiation of an object is an example of passive remote sensing
Indicate whether the statement is true or false