1 What vitamin decreases vitamin D toxicity, including helping to remove calcium from your blood vessels and deposit it into your bones?

  • Vitamin E
  • Vitamin A
  • Vitamin K2
  • Vitamin K1
  • Calcium

2 What is the main argument against allowing hydroponics to be certified organic?

  • Hydroponics do not use soil, and maintaining or improving soil organic matter is a key feature of organic agriculture
  • Hydroponics increases biodiversity.
  • Hydroponics are more expensive than organics.
  • Organic growers are threatened by hydroponics because they're less expensive and will take over the market.


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