Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit. Ore is extracted from the earth through mining and treated or refined, often via smelting, to extract the valuable metals or minerals.
If you're referring to streams/rivers of water that run independently of another source in the ocean these are referred to as "currents" and can be very powerful depending on their location.
The United States was the first country to ratify the United Nations Charter.
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Answer:
x=4
Explanation:
since it is an isosceles triangle, line x splits the base into 2 equal parts.
using a smaller triangle we know the sides are 5,3,x
now use Pythagorean theorem


x = 
x = 4, -4
since length cannot be negative, x = 4