1 Installing air conditioning in a vehicle that doesn't have any can cost $1,500-$4,000 or more, depending on location and the vehicle's year, make and model; luxury vehicles can cost even more.
Maya farmers used a method called slash and burn before they began planting crops. Slash and burn farming was a lot of hard work for Maya farmers. First, the farmer cut down â¦ all the trees in the area he wanted to plant crops in. Cutting down the trees was the slash part of the slash and burn farming method.
Environmental Change Theory: Climate change may also have done in the ancient Maya. As the Maya were dependent on the most basic agriculture and a handful of crops, supplemented by hunting and fishing, they were extremely vulnerable to droughts, floods, or any change in the conditions that affected their food supply.nvironmental Change Theory: Climate change may also have done in the ancient Maya. As the Maya were dependent on the most basic agriculture and a handful of crops, supplemented by hunting and fishing, they were extremely vulnerable to droughts, floods, or any change in the conditions that affected their food supply.