The fact that mineral resources are formed slowly over time means that mineral resources are our ________ heritage from the geologic past
Fill in the blank(s) with correct word
nonrenewable
You might also like to view...
All of the following are true regarding sunspot activity except
A) solar flares are more common with maximum sunspot activity. B) the Little Ice Age occurred when there was a minimum of sunspot activity. C) there is, on average, an 11-year cycle for sunspot cycles. D) more sunspot activity means less overall energy emitted from the sun.
Of the following, ________ are documented negative impacts of dams
A) acid deposition B) increased carbon monoxide emissions, decreased rainfall C) increased atmospheric carbon dioxide and CFCs D) flooding, habitat destruction, alteration of river sediment deposition E) alteration of river salinity
More than half of the world's population now lives in urban areas.
Answer the following statement true (T) or false (F)
Which of these is not a strategy for stopping an advancing lava flow?
A. Using explosives to punch holes selectively in a flow's hardened crust to divert remaining liquid lava. B. Constructing a dense, massive plug to stop up the vent from which the magma is erupting. C. Spraying water on the flow front to cool it. D. All of these are strategies for stopping an advancing lava flow.