My tip for a DBQ is to choose one and use it for your three
I and III only. I assume this is APES. Recycling old products reduces the usage of materials by using old ones and planting a new tree to replace every tree cut down would allow the world to continue economic developments while not exhausting forestry. II is wrong because if every adult had 3 children then a family would have 6 children and more children = more resources
E. adobe ruins because the adobe is a native american tribe. a cultural landscape is an area of geographic land that has cultural impact. the other answers are simply environments.