Question

read the text. a biological toilet, or composting toilet, isnt hooked up to sewer lines. the unit has a seat and a lid, but not a toilet bowl filled with water. how does it function? first, the waste is deposited into the unit in the normal way. after that, natural processes take over: ninety percent of the waste is water, which evaporates into the air. the toilet usually has fans and ventilation to assist in this process. the solid part of the waste then remains in a chamber, where it decomposes. specialized bacteria digest the waste, given the right combination of oxygen, moisture, and heat. when the decomposition process is complete, the compost from the toilet can be removed and used in gardens and around trees. which organizational structure does this text primarily use? problem - solution sequential

Explanation:

The text first introduces a biological toilet, then describes the steps of its function in order: waste deposition, water evaporation, solid - waste decomposition, and compost removal. It uses words like "first", "after that" which indicate a sequential order.

Answer:

sequential