I believe that the answer is c. Humans can affect the physical environment by not upkeeping it. Also the physical environment can affect humans, for example, too much pollution can result in a sickness
Answer:
Subsistence farming – the cultivation of crop plants and the keeping of animals to ensure self-sufficiency – is something states, seed producers, agro chemical concerns, and world trade organizations consider backwards today – inefficient and a cause of poverty in the rural areas of the South.
It can rust objects and thats considered physical weathering and not chemical because water is natural
Indian, Pacific, Atlantic, Arctic Oceans are the 4
Population. Hope this helps :D
