L7-L8

• What is soil erosion?


  Soil erosion is the removal of soil particles, leading to deterioration.
• What are the consequences of soil erosion?

  • Loss of topsoil
  • Reduced soil depth
  • Loss of productive land
• What does the conversion of agricultural land to commercial land refer to?

  It refers to the transformation of agricultural land for non-agricultural purposes.
• What is terrace cultivation?

  Terrace cultivation involves rearranging farmlands or turning hills into farmlands by constructing ridged platforms.
• What is the purpose of tourism development in relation to soil?

  It involves developing and managing private-public partnerships.
• What does farming encompass?


  Farming includes raising livestock and harvesting products.
• What is overpopulation?


  Overpopulation occurs when the number of people exceeds the actual carrying capacity of the environment.
• What is pollution?


  Pollution is the contamination of physical and biological components of Earth and the atmosphere.
• What is the impact of burning fossil fuels?

  Burning fossil fuels generates energy and contributes to desertification.
• What does deforestation refer to?


  Deforestation is the loss of forests for other uses, such as agricultural croplands.
• What is the significance of R.A. 7942?

  1. A. 7942 is the law governing mining activities in the Philippines.
• What is soil conservation?

  • Treating soil as a living ecosystem
  • Preventing soil erosion
  • Improving soil fertility
  • Preventing soil compaction
• What are methods to prevent soil erosion?

  • Terracing
  • Contour plowing
  • Windbreaks (planting trees)
  • Cover crops (e.g., clover, legumes)
• What is contour plowing?


  Contour plowing involves plowing along the contours of the land to reduce water runoff.
• What are windbreaks?


  Windbreaks are trees planted to protect soil from wind erosion.
• What is the purpose of cover crops?

  Cover crops protect the soil during off-seasons by keeping it covered with roots.
• What are methods to improve soil fertility?

  • Crop rotation
  • Organic farming
  • Green manure (adds organic matter)
  • Agroforestry
• What is composting?


  Composting is the controlled decomposition of organic matter by bacteria.
• What are methods to prevent soil compaction?

  • Minimizing heavy machinery use
  • No-till farming (avoiding tillage)
• What is R.A. 3571?

  1. A. 3571 is an act to prohibit the cutting, destroying, or injuring of planted or growing trees and plants of scenic value along public roads and other public grounds.
• What are the key sections of R.A. 3571?


  • Section 1: Policy to cherish growing trees and plants
  • Section 3: Prohibition of cutting or injuring trees
  • Section 4: Penalties including imprisonment
• What is the definition of waste?

  Waste is unwanted material after primary use.
• What is the "Ecological Solid Waste Management Act of 2000"?

  It is a law that governs waste management practices in the Philippines.
• What are the types of waste?

  • Agricultural waste
  • Bulky wastes
  • Hazardous waste
  • Municipal waste
  • Solid waste
  • Special wastes
  • Yard waste
• What is agricultural waste?

  Agricultural waste comes from the harvesting of crops and farming activities.
• What are bulky wastes?

  Bulky wastes include large items like furniture and lamps.
• What is hazardous waste?

  Hazardous waste significantly contributes to increased mortality and poses health risks.
• What is municipal waste?


  Municipal waste includes domestic, commercial, institutional, and industrial wastes.
• What is solid waste?

  Solid waste encompasses all discarded household, commercial, and non-hazardous institutional and industrial waste.
• What are special wastes?

  Special wastes include household hazardous wastes like paints, thinners, and batteries.
• What is yard waste?

  Yard waste consists of wood, small branches, leaves, grass clippings, and garden debris.
• What are the classifications of waste?

  • Solid waste
  • Liquid waste
  • Gaseous waste
• What are medical/clinical wastes?

  Medical/clinical wastes include hazardous materials from healthcare facilities.
• What is agricultural waste in horticulture?

  Agricultural waste in horticulture includes empty pesticide containers and waste from livestock breeding.
• What are industrial wastes?

  Industrial wastes come from manufacturing and processing industries, such as chemical plants.
• What are wastes from constructions?

  Wastes from constructions include concrete debris, wood, and demolition wastes.
• What are mining wastes?

  Mining wastes include overburden material and mine tailings.
• What are radioactive wastes?

  Radioactive wastes come from nuclear reactors.
• What are electronic wastes?

  Electronic wastes include items like DVD players and Waste Electrical and Electronic Equipment (WEEE).
• What is segregation in waste management?

  • Practice of separating different materials
  • Segregation at source: point of origin