I think its A. small contained climates that differ from areas surrounding them
hope this helps XD
In a large scale map you can make out smaller details better but with a small scale map you have more portability.
Explanation:
This adds miles to the journey of an item of food and therefore means more transport costs and more pollution. ... For example, some foods do not grow easily in the UK and need heated greenhouses. This means the food produced locally may have a larger carbon footprint than that grown in a warmer climate.
F. Y. I im not that good at geography to but i like it
A) true. rural to urban migration is happening on a massive scale due to population pressure