1. Slash and burn methods of farming are also known as? A. Kaingin system B. Logging C. Tree cutting D. None of the above 2. An extensively logged forest would affect A. the adjacent agricultural areas in the lowlands D. all of the CHOICES C. the sea into which the river flows B. the river beside the forest 3. Mangrove swamps are useful in a way that they provide A. construction materials and firewood C. food for birds B. food for many aquatic organisms D. all of the above 4. Peoples' effect on their environment can be brought about by some of their activities which includes A. Logging and extensive kaingin C. Wasteful use of natural resources B. Throwing waste into the bodies of water D. All of the above 5. Which of the following is an example of non-biodegradable materials A. banana peelings, leaves, seed C. rice, bread, flour B. plastic wrapper, rubber, tin cans D. None of the above 6. The following materials are recyclable, except A. Plastic B. Can C. Paper D. Fruit peelings 7. Which is a feasible material for house construction A. Fruit peelings B. Plastics C. Ashes D. Both B and C 8. An example of good practice to protect the environment is A. Kaingin B. Over-harvesting C. Reforestation D. Deforestation 9. The best that you can do to minimize human impact on the environment A. Recycling and segregating of waste C. Organic farming B. Planting of trees D. All of the above 10. Agricultural processes which conserve soil nutrients include A. Crop rotation B. Terracing C. Over-cropping D. All of the above