As rocks are weathered and eroded, wind and water often transport rock layers to a new location. The correct option among all the options that are given in the question is the third option or option "c". The rocks can get eroded in very minute pieces depending on the type of weathering or erosion that happens.
It is a ghost town. No people can live there, so the buildings are crumbling and are overgrown by plants and trees. Surprisingly, wild animals live there and do not seem to mind the radiation.
Ethiopia has taken bold leadership in climate action. As part of the Green Legacy Initiative, which was launched in 2019, 20 billion trees will be planted across the country over four years.