The majority of the population of central asia practices
jainism
hinduism
christianity
islam

They would practice Islam.  About 62% of the whole world's muslims(people who practice the Islam religion) are populated in South, Southeast Asia. So essentially, in central Asia, most people practice Islam.

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.