A. seafloor spreading at mid-ocean ridges
It includes steep mountains like the Andes
Answer:
B. subsistence agriculture
Explanation:
Subsistence agriculture refers to that type of agriculture in which crops were grown in order to feed their own families. These crops were not grown for selling but for themselves in order to survive. At that time there were no markets where all food stuff available. They have plenty of lands where these people grow what they want to eat. They also hunt animals such as rabbit and deer etc in order to eat them.
Probably look in the middle of the cloud and then try to figure it out through the density it seems to be. lol
