Which of the following is NOT one of the major environmental shifts that has been taking place since the 1970s? 

A)  a shift towards being increasingly concerned about pollution problems in developing countries 
B)  a shift towards increasing awareness of the harmful effects of human activity on biodiversity 
C)  a shift towards focusing more on local and regional concerns instead of on global concerns 
D)  a shift towards relying more on the international community to deal with environmental problems.

Before 1989,one bycatch of the U.S.shrimp trawling industry was loggerhead turtles.

Which letter in the diagram corresponds to the layer that represents the separation of the mesosphere and stratosphere?

The declining economic health of cities often leads to reductions in services-i.e.,water,electricity,open spaces,timely garbage collection,etc.-to their residents.

____________________ is a neurotoxin that can enter the body by inhalation or ingestion and damage the nervous system.

The Arctic fox and the grey fox are an example of what type of isolation?

Which of the following is NOT a main type of silicate structure?

A) single chains
B) double chains
C) triple chains
D) sheets
E) frameworks

What is the second largest planet in our solar system?

A) Jupiter
B) Earth
C) Saturn
D) Uranus

Which of the following is NOT true about alternative sources of energy?

A) using solar energy requires a large investment in photovoltaic panels and other infrastructure
B) biomass energy can involve burning scrap wood and methane from landfills
C) ethanol is mostly produced from corn and sugar cane, which can also be foods
D) fuel cells use oxygen and hydrogen as a fuel

What promotes urban sprawl? 

A)  tax laws discouraging home ownership 
B)  zoning laws requiring small lots 
C)  ample land available 
D)  high-cost gasoline