Write down the equation of state and explain what it tells us about the behavior of gases
What will be an ideal response?
Answer: where p is pressure expressed in pascals, r (the Greek letter rho) is density in kilograms per cubic meter, R is a constant equal to 287 joules per kilogram per kelvin, and T is temperature (in kelvins). To put the equation in words, it tells us that if the air density increases while temperature is held constant, the pressure will increase. Similarly, at constant density, an increase in temperature leads to an increase in pressure.
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Which of the following is a common setting for a spring?
A. sedimentary rocks overlie crystalline rocks along an unconformity B. the water table intersects the surface C. a permeable rock overlies a less permeable one D. All of these. E. None of these.
The introduction of the potato in Ireland in the 1500's ________.
A. increased the carrying capacity of the island B. decreased the birthrate C. decreased the carrying capacity of the island D. reversed the demographic transition E. paused the demographic transition
Pollination
What will be an ideal response?
An increase of 0.85°C is insignificant when compared with temperature changes over thousands of years
a. True b. False