Answer:
Genes are the instructions for life as we know it. They affect your development before you're even born and play a role in everything from your appearance to your personality. Genes contain information about your heritage and your risk for certain diseases.
Explanation:
The access is most heavily limited by Climate
In an extremely dry and hot climates such as desert, it will be incredibly hard to access potable water because they evaporate really quickly
Meanwhile in a wet and cool climates such as rain forest, it will be extremely easy to access potable water
It is useful and the cylinder graduated for us
I think the answer would beeeeeeeeee!!!!!!! May be autotrophs is the answer hope I helped