3 For what other purpose does man use plants and animals? 



4 How does a feeling of security or insecurity with regard to these primary 

 needs influence health and effective Hving? 



5 How can forest conditions in one region influence the interests of people in 

 another region? 



6 How do any particular forests influence conditions in your region? 



7 What damage results from forest fires besides the destruction of trees? 



8 What lands in your region would be available for forest without loss to farm- 

 ing? When is it better to use land for trees than for agriculture? 



9 What biological ideas have helped to enrich our people? 



10 What are the advantages of living in a self-sufficient nation? What are the 

 disadvantages? 



11 What does international trade contribute to a people besides making im- 

 ports available? 



657 



