This figure shows three blocks in water. Which of these materials is the densest? 
A. block 1
B. block 2
C. block 3
D. the water 4
Answer: C
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The difference between the wetland category of marsh and swamp is ________
A) that water is much deeper in a marsh B) water flows in a marsh and not in a swamp C) the dominance of herbaceous plants in swamps D) water flows in a swamp and not in a marsh E) the dominance of shrubs and trees in a swamp
Which branch of government is responsible for overseeing the agencies that carry out government policies?
A. judicial B. executive C. legislative D. administrative E. military
Most of the material carried by a glacier is moved at the ________
A) sides B) base C) surface D) middle E) front of the terminal moraine
Faults that penetrate the surface may show a ____
A)fault scarp B)graben C)horst D)fault block E)fault breccia