What part of aquaponics system converts waste to fertilizer

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

What must be done to breed dogs for a partical trait

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin