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Arundo donax is a strong candidate for use as a renewable biofuel source because of its fast growth rate and its ability to grow in different soil types and climatic conditions. A. donax will produce an average of three kilograms of biomass per square metre (12 tons per acre/year) once established. [40]
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Polymetallic nodules on the deep seabed in the CCZ Example of manganese nodule that can be found on the sea floor. Polymetallic nodules are found at depths of 4–6 km (2.5–3.7 mi) in all major oceans, but also in shallow waters like the Baltic Sea and in freshwater lakes.
This is an alphabetical list of documentary films with Wikipedia articles. The earliest documentary listed is Fred Ott's Sneeze (1894), which is also the first motion picture ever copyrighted in North America.