What is the root cause of environmental problems? 

A)  climate change 
B)  water pollution 
C)  rapid population growth 
D)  food supply problems

What principle is taken into account by environmental policy? 

A)  the postcorporative principle 
B)  the non-integrative principle 
C)  the precautionary principle 
D)  the corporation principle

Which of the following is considered a physical hazard? 

A)  driving 
B)  chemicals 
C)  poor diet 
D)  a hurricane

A(n)__________________________________________________ is dedicated to conserving and supporting the number of species of plants,animals,and microorganisms on the planet; the enormous diversity of genes in these species; and their different ecosystems.

Which of the following is among the rules for effective grassroots action? 

A)  Do NOT form alliances with other organizations. 
B)  Organize for action, not just for study, discussion or education. 
C)  Concentrate efforts at the international national and global levels. 
D)  Do NOT limit the number of targets, and hit them all as hard as possible.

What happens to a mountain in terms of isostatic adjustment following a period of significant erosion?

A) The continent underneath will be uplifted.
B) The continent underneath will subside.
C) Erosion does not affect isostasy.

____________________ are large and dangerous storms caused by the formation of low-pressure cells of air over warm tropical seas.