I would put eater and transportation.
The answer that makes the most since is A!
They have the same amount of humidity. The climate is the same. And they are in the same continent. lastly they have the same time.
South america has changed the least as it moved very little. india and australia actually broke apart from africa to go to where they are now... so id say australia and india changed the most
1. Bushmeat
2. Cash Crop
3. Desalinization
4. Desertification
5. Globalization
6. Ground Water
7. Organic Farming
8. Sustainable