The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 149
... effects of persistent agricultural chemicals . Effect of pesticides Agricultural communities destroy some types of habitat , especially forests , but create others in the process . In Africa , for instance , some forest falconiforms may ...
... effects of persistent agricultural chemicals . Effect of pesticides Agricultural communities destroy some types of habitat , especially forests , but create others in the process . In Africa , for instance , some forest falconiforms may ...
Page 328
... effects on the economy . Thus a tax increase for poor households will have a different effect than a tax increase for high in- come groups ; and an expenditure on government pur- chases of goods and services will have a different effect ...
... effects on the economy . Thus a tax increase for poor households will have a different effect than a tax increase for high in- come groups ; and an expenditure on government pur- chases of goods and services will have a different effect ...
Page 537
... effect on mini- mum temperatures . The ameliorating effect of the forest on air temperature results from the vertical stratification of the forest vege- tation . Seasonal influences are less marked as the canopy cover decreases ; thus ...
... effect on mini- mum temperatures . The ameliorating effect of the forest on air temperature results from the vertical stratification of the forest vege- tation . Seasonal influences are less marked as the canopy cover decreases ; thus ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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