1. Natural resources are the contribution of __________________________.2. __________________ resources are substances obtained from living beings. 3. ____________________ resources do not exhausted with use. 4. ___________________ means increasing vegetation cover by planting trees. 5. The removal of salinity from sea water by scientific procedure is called_________________.6. The sum total of resources of all countries is termed as __________________________.7. Resources owned by an individual are called _______________________. 8. ______________________ resources are obtained by live stock rearing or dairy farming. 9. _____________________ means increasing vegetation cover by planting new trees. 10. __________________ means removal of salinity from sea water by scientific procedure using modern technology. 11. ________________ is a vast storehouse of resources.12. ______________ resources are the sum total of resources of all countries.13. __________________resources include animal products like milk, meat , fur etc. 14. Sunlight, wind, water are also called ____________________ resources. 15. ________________________ resources are the stock for future use.16. Coal and Petroleum are known as ______________17. Of all the resources of the world ___________________ is the most important. 18._________________________ resources include cereals and other food crops.