What are the pairs i need them before i can try to answer
I think the correct answer from the choices listed above is option A. The main producers in the aquatic environment is the phytoplankton. They are the base of several aquatic food webs. They provide food for many marine animals. Hope this answers the question.
The advantages that are provided to developing rural areas by building and using an anaerobic digester is that anaerobic digesters offer both a source of energy and a sanitary method of waste disposal which can help control disease.
<h3>What is an anaerobic digester? </h3><h3> </h3>
An anaerobic digester is a tank. It's a tank in which the size and appearance change considerably depending on what use is the digester being applied for.
- A variety of anaerobic digesters is the household digester which is used for a single family. It has a volume of less than one cubic metre.
- In an industrial-scale anaerobic digester. The size can easily surpass 5,000 cubic meters.
- A digester used on a farm or a ranch has a typical capacity of a few dozen cubic meters.
Therefore, the advantage is that anaerobic digesters offer both a source of energy and a sanitary method of waste disposal which can help control disease.
Read more about anaerobic digesters, here
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