Yes africa si south of anartica
Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.
Cutting down the trees! (Stop cutting them down)
And human presence disrupting the ecosystem (let the environment be)
The climate 250 mya was very tropical, so maybe those fossils could've been found there even w/o continental drift