Why countries investigate several form of sustainable energy​

Due to high share of biomass in total renewables, non-OECD regions like Asia, Latin America and Africa are the main renewable users. Germany's feed-in-tariff system increased the share of renewables in the country's total energy supply and decreased the cost of wind energy turbines.

Explanation:

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a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think

answer; sutherland-differential association;