The most important city to the mayan people which contains the ruins of a number of mayan temples was the ball took 045 s to land 072 m from the table. Removing trees to build houses B. Land Cover Change An Overview Sciencedirect Topics Climate has been implicated by a new study as a major driver of wildfires in the last 2000 years. . Over the last few centuries this has changed dramatically. By 1800 the world had lost 700 million hectares each of forest and grassland replaced by around 900 million hectares of land for grazing animals and 400 million hectares for crops. Environmental Sciences Secondary School answered Since the 1800s which human activity has changed land use and led to the growth of large cities in many countries. Since the 1800s which human activity has changed land use and led to the growth of large cities in many countries. Humans have transformed more than half of the natural environment since the 1800