Answer:
Step-by-step explanation:
Following are the possible changes to environmental factors that would cause a better population:
1. water availability: it is one of the basic necessities of life. everyone needs clean water free from any bacteria, on a daily basis to carry out diff work.
2, plain area: rather than living in mountains and coastal areas, living in the plains are more preferred as the availability of goods is fine plus there are not many natural phenomena like landslides, tsunamis, and floods.