Soil degradation is primarily attributed to:
A. wildfires, surplus soil organisms and dense vegetation.
B. poor agricultural practices, overgrazing and deforestation.
C. erosion, excessive tillage and coastal location.
D. exhaustion of parent material, severe climate and leaching.
E. heavy rainfall, agroforestry and crop rotation.

nucleus

would be most reasonable answer tbh

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

geologic time scale (for gradpoint) =)