Most glacial ice originates as
A) fluffy snow.
B) sea water.
C) hard ice.
D) soft ice.
Answer: A
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To make an ice cube, you fill a tray with liquid water which then freezes, making a coherent solid (a rock). Which rock type would the ice cube be?
a. Metamorphic b. Igneous – the water is akin to magma, and cooling magma creates an igneous rock c. Sedimentary
Which of the following is properly called a flood?
A) When a meander is cut off and forms a lake B) When the entire bottom of the channel is covered with water C) If water spreads out over the floodplain D) When water is 1 meter below the top of the channel
Which organisms were the first to produce O2?
What will be an ideal response?
Which of the following is a mathematical statement of the ideal gas law?
A) PV = n/RT B) PV = nRT C) V = nP/RT D) PV = RT/n