Farmers use a variety of techniques to protect crops from damaging low temperatures. One technique includes ____
A) freezing the soil to hold in the moisture
B) removing mulch at the base of the plant
C) removing trees from around the perimeter of the farm
D) spraying water on trees in below-freezing weather
D
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Absolute zero is a temperature of
A. 273° C. B. 0 K. C. both of these D. none of the above
When a boxer moves into an oncoming punch, the force experienced is
A. increased. B. decreased. C. no different, but the timing is different. D. all of the above
"Vampire" power is ________
A) power that is stored in an electrical system for use later B) the hidden cost of energy C) when electric currents pass through silicone-rich materials D) energy used when appliance is turned off, but in "standby" mode E) when the majority of the energy produced is converted to kinetic energy that can be used later
A certain automobile has an 18 gallon gas tank. What is the volume of this tank in liters? [1 gallon = 4 quarts, 1 quart = 0.946 liter]
A) 4.3 L B) 4.8 L C) 68 L D) 76 L