Answer:
As it is a cold current, except at times of the phenomenon known as El Niño (q.v.), the Peru Current brings fog to the nearby coast but also helps to keep the coast one of the most intensely arid areas in the world. The cold flow is intensified by upwelling of deep water caused by the combined effects of the drag of surface winds of the Southeast Trades and the Earth’s rotation. Upwelling brings abundant nutrients close to the surface, and the beneficial effects of sunlight, which allow for rich plankton growth, make the waters off Peru, Chile, and Ecuador one of the world’s greatest fishing grounds for anchovies and the larger fish (e.g., tuna) that feed upon them. Another economic benefit is the guano, used for fertilizer, deposited by the flocks of birds that feed on the anchovies.
The current’s alternative name is taken from that of the German scientist Alexander von Humboldt, who in 1802 took measurements that showed the coldness of the flow in relation to the air above it and the sea around it.
When a culture has a language/(s), the main language may have a dialect- which is when a few words or phrases do not sound the same as the original language, but nevertheless is identified as that languge. Eg. The german language has a dialect called schwerig- which sound almost the same but a few words and phrases are different
Death Valley is located in A. California
1/2 * 20 = 10
You can also think of it as the 20 being divided by two.