Respuesta :
people burning down forests and grow crops in the ashes. Cutting the hillsides into stair-step shapes in order to have flat places to plant seeds. They modify the environment so they have ways to grow food and crops. A negative impact of modification is it could cause a smog or rivers and streams.
people burning down forests and grow crops in the ashes. Cutting the hillsides into stair-step shapes in order to have flat places to plant seeds. They modify the environment so they have ways to grow food and crops. A negative impact of modification is it could cause a smog or rivers and streams.