Objectives: The elderly is raised as an important issue of nations. In our country due to pyramid of the population program . planning for any service. needs to understanding the real demands of the elderly the study of health problems of elderly was conducted in2009. https://fhnqkfsh63maor.dsiblogger.com/67921097/potential-effect-of-biochar-on-soil-properties-microbial-activity-and-vicia-faba-properties-affected-by-microplastics-contamination