second generation bio-fuels for commercial flights is the example of which type of sustainable innovation??
Answers
Answer:
Find the lateral surface area and total surface area of a cuboid of length 80 cm, breadth 40 cm and height 20 cm.
ANSWER
l=80cm,b=40cm,h=20cm
Therefore,
TSA = 2(lb+bh+hl)
=2(80×40+40×20+80×20)=11200 cm²
LSA = 2(l+b)h=2(80+40)20=4800 cm²
I hope this will be help you.
ANSWER:
SECOND GENERATION BIOFUELS
EXPLATATION:
Second-generation biofuels, also known as advanced biofuels, are fuels that can be manufactured from various types of non-food biomass. Biomass in this context means plant materials and animal waste used especially as a source of fuel.
First-generation biofuels are made from the sugars and vegetable oils found in food crops using standard processing technologies. Second-generation biofuels are made from different feedstocks and therefore may require different technology to extract useful energy from them. Second generation feedstocks include lignocellulosic biomass or woody crops, agricultural residues or waste, as well as dedicated non-food energy crops grown on marginal land unsuitable for food production.
The term second-generation biofuels is used loosely to describe both the 'advanced' technology used to process feedstocks into biofuel, but also the use of non-food crops, biomass and wastes as feedstocks in 'standard' biofuels processing technologies if suitable. This causes some considerable confusion. Therefore it is important to distinguish between second-generation feedstocks and second-generation biofuel processing technologies.
The development of second-generation biofuels has seen a stimulus since the food vs. fuel dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment of food supply. The biofuel and food price debate involves wide-ranging views, and is a long-standing, controversial one in the literature
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