You generally buy and eat microwave dinners.After dinner,cardboard tops and plastic trays remain.What is the least effective way to deal with this type of solid-waste problem? 

A)  prepare large quantities of food and divide it into your own reusable microwave containers 
B)  donate the plastic containers to the local nursery schools to use with preschoolers 
C)  collect the components and incinerate them so they don't take up landfill space 
D)  recycle the components

The Earth's magnetic field is generated by:

A) salty water moving through the deep parts of the crust
B) convection currents in the asthenosphere
C) movement of iron and electrical currents within Earth's outer core
D) aligned magnetic minerals within Earth's inner core

Which of the following would be consistent with an origin of Upheaval Dome by a rising salt mass?

A) the presence of a thick salt layer beneath the region
B) structures that are similar to those formed around rising salt
C) a lower density for salt than typical rocks
D) all of these
E) none of these

Environmentally harmful,or ____________________,businesses are those that are projected to decline in favour of more environmentally friendly businesses.

The market approach in which governments grant tradable pollution and resource-use permits is similar to the cap-and-trade strategy.

Which letter in the diagram corresponds to the graph that represents the amount of global freshwater that is readily available to the public?

Drilling for oil in the Arctic National Wildlife Refuge would produce insignificant amounts of oil in the long term.

Which of the following does NOT influence whether sediment is picked up by a stream?

A) size and density of the sediment
B) turbulence of the moving water
C) location of the sediment in the stream
D) whether the stream flows north-south or east-west

What is gasohol? 

A)  It is gasoline mixed with methane. 
B)  It is gasoline mixed with ethanol. 
C)  It is gasoline mixed with butane. 
D)  It is gasoline mixed with methanol.

The cleanup of _____________________________________________ involves discharging emissions above the thermal inversion layer,removing pollutants after combustion,and taxing polluters.