Answer:
I believe that it is a dormant volcano, I hope this answer helps.
It is the Line of longitude
Answer:
Agriculture yielded more food, which made denser human populations possible, thereby supporting city development. Farming led to dense, settled populations, and food surpluses that required storage and could facilitate trade. These conditions seem to be important prerequisites for city life.
They can be replaced naturally.
The correct answer is b because not all countries can support themselves (c) and malnourishment can occur in any country. For example, in the United States, around 40 million people lived in food insecure households. Also, according to my middle school english teacher, the world will not have enough food to sustain itself by 2050 (a).