For the same force, which cannon imparts greater speed to a cannonball?
A. A short-barreled cannon.
B. A long barreled cannon.
C. both the same
D. none of the above
Answer: B
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Which type of toilet uses the least amount of water?
A. composting B. low-flow 0.8 gallon per flush model C. low-flow 1.6 gallon per flush model D. low-flow 1.2 gallon per flush model
A liter of helium gas has a temperature of 10°C. When twice as hot its temperature is
A. 283°C. B. 20°C. C. 12°C. D. 293°C.
When blue food coloring is stirred into water, the result is a
A. pure liquid. B. homogeneous mixture called a solution. C. homogeneous mixture called a suspension. D. heterogeneous mixture called a suspension. E. heterogeneous mixture called a solution.
Manganese nodules are composed entirely of manganese.
Answer the following statement true (T) or false (F)