Interesting! > the landscape undergo a remarkable change. The greenery shifted from a variety of leafy trees and plants to barren grassy fields rimed with stun

Interesting! > the landscape undergo a remarkable change. The greenery shifted from a variety of leafy trees and plants to barren grassy fields rimed with stunted oak and pine. The difference in vegetation reflected a change in the underlying geology, evincing rocks with excess magnesium and too little calcium for most plants to thrive. We had driven onto the mantle.