Chart 1 would be the correct answer
Answer:
Larger the population, higher the (water) tension
Explanation:
The rise in population leads to higher demand for water for domestic, industrial, agricultural and municipal needs and also evacuation for waste materials. The most water scarce areas are typically those with few water resources, high population, and even higher population growth rates.
I would believe its either Continental Drift or plate tectonics
It would be the oceanic crust and the continental crust.