The number of chromosomes that results in a cell made by "c"

How has technology been used to address issues related to sewage? o a. sewage treatment plants use bacteria to clean water and solid waste before releasing it into the environment. o b. sewage treatment plants heat water to kill bacteria. o c. sewage treatment plants use landfills to filter and clean water and solid waste before releasing the water into the environment. o d. sewage treatment plants cool water to kill bacteria.