Around the world, runoff from heavy use of synthetic fertilizers has created
A) coastal dead zones.
B) new deltas of arable lands.
C) super fisheries.
D) biochemical farming zones.
E) harvestable deposits of reusable fertilizers.
Answer: A
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Volcanic domes commonly are partially destroyed when
A) gases are released slowly out the top of the dome, dissolving it. B) steep parts of the dome collapse and cause small pyroclastic flows. C) fast-moving, low-viscosity lava carries away part of the dome. D) the center of the dome collapses, forming a composite volcano. E) All of these are correct.
Tidal current become simpler when they are in the open ocean. Indicate whether the statement is true or false
Piles of waste soil and rock removed during surface mining are called ____.
A. hazardous waste B. gangues C. spoils D. tailings E. smelts
________ is the belief that Earth was shaped by large-scale geologic calamities
A) Evolution B) Absolutism C) Uniformitarianism D) Catastrophism