Correct answer is option C.
<span>Salt manufacture has a long history, dating to well over 2700 BCE in China as the earliest documentation. Oklahoma's first commercial salt manufacturing occurred in the Cherokee land Indian Territory in 1815 by Major William Lovely, a Cherokee agent.</span>
There are many ocean currents that take warm water up to London, thus warming the air there.
Since scarcity is when the supply of a product goes low
the price goes up when the supply of a product is down
