Fuels derived from living things are known as biomass fuels
These fuels deriver from living things
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Answer: 1/4 AA or type A Blood; 1/4 BB or type B Blood; 1/2 AB
Mountain ranges often appear on the edges of continents.
Fossils of the same animals appear on different continents.
trees do not fix N2 from air they fix oxygen with the help of N2 fixing bacteria . so trees do not fix N2