using the earths resources

• What is a good example of a resource produced by agriculture?

  Cotton
• What are the main uses of the earth's resources by humans?

  • Provide warmth
  • Provide shelter
  • Provide food
  • Provide transport
• How does modern agriculture help meet the world's needs for cotton?

  It allows us to grow enough cotton to meet the needs of the world.
• What can trees be used for after being planted by humans?

  Timber or fuel
• What is an example of a biofuel used in power stations?

  Wood chips
• How has chemistry replaced natural resources?

  By producing synthetic alternatives.
• What is a good example of a synthetic alternative to natural rubber?

  Synthetic rubber
• What percentage of rubber used in the world is synthetic?

  About two-thirds
• What does it mean for a resource to be finite?

  It cannot be replaced as quickly as it is being used.
• What is a good example of a finite resource?

  Fossil fuels
• Why will fossil fuels eventually run out?

  Because they form much slower than they are being used.
• What is another example of a finite resource besides fossil fuels?

  Metals
• What characterizes renewable resources?

  They can be replaced as quickly as they are used.
• What is a good example of a renewable resource?

  Wood
• What does it mean for human activities to be sustainable?

  We can meet our needs without preventing future generations from meeting theirs.
• How does chemistry contribute to sustainable resource use?

  By allowing us to grow more food with the land available.
• What processes help us extract metals more efficiently?

  Phyto mining and bio leaching
• What role does chemistry play in agriculture and resource management?

  • Artificial fertilizers increase food production
  • Provides safe drinking water
  • Processes like phyto mining and bio leaching enhance metal extraction