Don't understand how this was particularly hard; I feel people are just lazy.
The answer is ecosystem.
This is because c refers to a single animal or species. (i.e. population of wolves in said ecosystem.)
Community would be specifically the animals living in an area.
And a landform is the natural feature of a solid surface.
Answer:
A
Explanation:
Some materials reflect light waves.
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.
Flatworms possess excretory organs known as nephridia. Specifically as annelids, flatworms possess a variant known as metanephridia.
