The mitochondria and chloroplasts.
Hope I helped! :)
Answer:
Septic tanks and oxidation ponds
Explanation:
These system of wastewater treatment and disposal are not too feasible in large municipalities because of the presence of sewer system that has been made available by government, in order to mitigate the possibilities of transmitting enteric diseases that are very harmful to human health.
A chemical sedimentary rock?
Organelles.
balalalallallalalalalallalalallalalala, this answer is right.
