Hydropower, wind power, solar power.
Temperate climate zone, because big cities don't function well during the arctic winter, nor summer actually
Streams flowing from mountainous terrain commonly flow across alluvial fans at the edges of the valleys. ... In arid and semiarid regions, seepage of water<span> from the stream can be the principal </span>source<span> of aquifer recharge.</span>
$11.77/11 = $1.07
6*1.07 = $6.42
Therefore the answer is C.
