The main source of power for steam engines and blast ovens is produced from
A) iron ore.
B) biomass fuels.
C) wood.
D) coal.
E) dross.
Answer: D) coal.
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The term applied to the rapid increase in crop yields as a result of new high yielding varieties of rice with the use of fertilizer, pesticides, mechanization and irrigation is known as _____________________________.
Fill in the blank(s) with the appropriate word(s).
Neptunism was the concept that all rocks formed in a specific order by precipitation from a
worldwide ocean. Indicate whether the statement is true or false.
All of the following must be assessed when making a land use plan EXCEPT:
A. the purchase of land suitable for development. B. the geologic nature of the area. C. transportation issues. D. the cost of implementing the plan.
A ________ is an intrusive, igneous rock body that is tabular and concordant
A) dike B) laccolith C) pluton D) sill