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Answer:
D BIOMASS ENERGY
Explanation:
Most biomass requires arable land to develop. This means
that land used for biofuel crops such as corn and soybeans
are unavailable to grow food or provide natural habitats.
Forested areas that have matured for decades (so-called
“old-growth forests”) are able to sequester more carbon
than newly planted areas.
Answer:
Sodium was first discovered in Britain in 1807, where a chemist named Sir Humphry Davy found it by electrolysis of caustic soda.
Explanation:
Hope this helped!
Explanation:
It is given that 44.45 g of hydrocarbon gas produces 2649 kJ or
of heat.
Also here, 1 lb = 453.592 g.
Therefore, amount of energy released by 453.592 g of hydrocarbon gas will be calculated as follows.

= 
It is known that 1 J =
.
Hence,
= 
= 7.508 Kwh
Thus, we can conclude that the combustion of exactly one pound of this hydrocarbon gas produce 7.508 Kwh energy.