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.
Answer: D
Explanation: i've taken bio
Answer:
it is summer and north America
Answer:
oxygen
Explanation:
all engage in oxygenic photosythesis (top equation), which means that they require water and release oxygen
Answer:
the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord.
Explanation:
^