<span>x^2+8x-20=0
Factor the left side of the equation
</span><span><span>(x−2)</span><span>(x+10)</span></span>=<span>0
</span>
Set the factors to both equal the number 0
<span><span>x−2</span>=<span><span><span>0
and/or
</span>x</span>+10</span></span>=<span>0
</span>x = 2 and/or x = -10
China believes that building the Three Gorges Dam was an absolute necessity in terms of energy production because it can generate hydro-electric energy from Yangtze River. This hydro-electric-producing dam would generate less pollution than coal-fire generation and would slow the river from overflowing and destroying nearby villages.
Answer:
El río que separa el macizo de Brasilia y el macizo Patagónico se llama río Colorado.
Explanation:
El macizo de Brasilia comprende el actual Brasil y el macizo Patagónico, buena parte de la actual Argentina. El macizo de Brasilia cubre buena parte del centro, todo el este, noreste, centro-norte, centro-sur y sureste de América del Sur, mientras que el macizo cubre todo el sur de Argentina. El río que separa ambos macizos se llama el río Colorado, el cual atraviesa las provincias de Mendoza, Neuquén, Río Negro, La Pampa y Buenos Aires antes de desembocar en el Océano Atlántico.
The most appropriate answer would be magma. Lava is a magma that reaches the Earth's surface, which is technically it is also a magma, and magma is located below the Earth's surface.
Lava at Earth's surface or magma below Earth's surface cools and harden to form mineral crystals.
The benefits of Desalination. One of the benefits is that we able to use the earth's abundant salt water supply. Meaning that the salt water could be purified of salt, and distributed to the places that need it. One of the drawbacks is that not much water is left after the process.