____________________ is mined for the steel industry,usually from open-pit mines such as in Newfoundland and Labrador,Quebec,and British Columbia.

Which statement applies to the second law of thermodynamics? 

A)  Energy conversion results in less dispersed energy. 
B)  Heat is usually given off from energy conversions. 
C)  Energy can be neither created nor destroyed. 
D)  Energy conversion results in higher quality energy.

​Which characteristic is more likely to be associated with chlorinated hydrocarbons than with organophosphates and carbamates? 

A)  ​magnification in the food chain 
B)  ​contamination of surface water 
C)  ​rapid degradation in the environment 
D)  ​poisoning of organisms other than the targeted pests

A type of rock that forms directly from precipitates of hot water is called an) :

A) hydrothermal rock
B) sedimentary rock
C) igneous rock

Mass transit helps to create urban sprawl.

Which category do aldrin,dieldrin,endrin,lindane,DDT,and mirex belong to? 

A)  pyrethroids 
B)  carbamates 
C)  chlorinated hydrocarbons 
D)  organophosphates