Due to its energy consumption, desalinating sea water is generally more costly than fresh water from surface water or groundwater, water recycling and water conservation. However, these alternatives are not always available and depletion of reserves is a critical problem worldwide.[5][6] Desalination processes are usually driven by either thermal (in the case of distillation) or electrical (in the case of reverse osmosis) as the primary energy types.
Explanation:
Open Door Policy of 1899 and Congo Conference (Berlin Conference) in<span> 1885 are two events that show the United States acting as a mediator in </span>international<span> disputes. The US initiated the Open </span>door<span> Policy for the protection of equal privileges among countries doing business transactions with China. Whereas for the Congo </span><span>Conference </span>,<span> the US joined in to work out the joint policy on the African continent.</span> <span> </span>
When Texas split from Mexico in 1836, its citizens were largely in favor
of annexation by the US. Most of US political leaders, however,
were against it. One main issue was that Texas practiced slavery.
Political leaders feared that dealing with Texas's slavery would stir up
even greater controversy. Perhaps an even greater concern, though, was
that Mexico was not happy about the loss of Texas. US political leaders
feared the war that the annexation of Texas would no doubt spark
Answer:
C
Explanation:
That was the reason the Union was formed.
