True or False: Write T if the statement is true and F if it is false. _______ 1. Fruit trees are man’s source of food. _______ 2. Trees give of carbon dioxide. _______ 3. Man needs carbon dioxide to live. _______ 4. Resin is a chemical derived from trees. _______ 5. Too many trees cause pollution. _______ 6. A healthy environment is an environment full or trees. _______ 7. It is all right to cut trees for as long as they are replenished. _______ 8. Reforestation is the process of planting new trees in place of old once that have been cut down. _______ 9. Trees slow down the speed of a typhoon, they act as windbreakers. _______10. Roots of trees hold the soil and water, thus, preventing soil erosion and flood. _______11. Marketing of seedlings become business activity for enterprising because of its great opportunity to increase their income. _______12. Healthy seedlings result a better harvest and expected to give a more profit. _______13. Some farmers are not interested in seedling productions instead they just want to grow trees and fruit-bearing trees. _______14. Marketing of seedlings is also a good source of income. _______15. With a firm determination, farmers can establish their own fruit nurseries in their backyard.