B. The amount of waste would build up and the toxins produced would harm the animals and humans
<span>Like the sporophytes of seed plants, those of ferns consist of stems, leaves androots. Stems: Fern stems are often referred to as "rhizomes", even though they grow underground only in some of the species.</span>
Calcium which is a major mineral in the body
Decomposition - bacteria helps to decompose dead organism , it's also used in food production
Renewable is more reliable and not a liability ther you go
