deforestation- making room for new buildings by clearing trees and forests
pollution- from factories, litter, and bad hygiene
It basically means the oldest rocks and newest rocks are organized from top to bottom, like a bunk bed, oldest at the bottom, newest at the top in chronological order.
Your answer is *low* and *high* I hope that help.
All plants are multicellular, All plants are eukaryotic, All plants are autotrophic, and All plants need sunlight.
