It is true because two blocks move horizontally in opposite directions :)
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Answer:
At high tide, the barrage gates close, creating a pool, or tidal lagoon. The water is then released through the barrage's turbines, creating energy at a rate that can be controlled by engineers. The environmental impact of a barrage system can be quite significant. The land in the tidal range is completely disrupted.
The Mexican Revolution was a huge rebellion that occurred from 1910-1920.
La Paz Armada (1870- 1914) es el nombre utilizado para describir el período de 1885 a 1914 anteriores a la Primera Guerra Mundial. Fue un momento de intensa carrera armamentista y alianzas militares entre varias naciones que se agruparon en dos grupos denominados Triple alianza y la Entente cordiale o Triple entente.
A gravel covered plain is called a Reg. A reg is a desert basin where the sand has been blown away leaving a gravel covered plain.