Analyze which statement best captures how thawing permafrost changes Earth's physical geography. (1 point)
Thawing permafrost leads to the creation of lakes and swamps where there were none.
Thawing permafrost is leading to an increase in mammal populations.
Thawing permafrost leads to grasses and lichens pushing out shrub species.
Thawing permafrost leads to fewer beaver ponds.