An early problem in agricultural societies was
the erosion of topsoil and loss of soil nutrients.
the spread of diseases from animals to humans.
the loss of wetlands and the wildlife it supports.
the spread of fires from using slash and burn clearing.

Question

An early problem in agricultural societies was
the erosion of topsoil and loss of soil nutrients.
the spread of diseases from animals to humans.
the loss of wetlands and the wildlife it supports.
the spread of fires from using slash and burn clearing.

anonymous · Answer

the spread of diseases from animals to humans.