What Is the Evidence That Ours Is Not the First

Q53: Soil erosion rate is affected by _.<br>A)

Q54: People are considered undernourished if _.<br>A) their

Q55: Agriculture dates back _ years ago.<br>A) 12,000-14,000<br>B)

Q56: The development of agriculture encouraged _.<br>A) a

Q57: Organic farming increases the density of earthworms

Q59: Agriculture subsidies paid to farmers generally help

Q60: Canada requires that genetically modified foods be

Q61: The Green Revolution is characterized by _.<br>A)

Q62: As food miles increase _.<br>A) rural unemployment

Q63: Integrated pest management approaches might use bacteria,