<span>Before launching the craft on 11 April 1970, several experiments wer made in oder better knowlegde and experience to be gained for the mission. The experiments included launching free-flying vehiclesto simulate landing on the Moon's surface. The Astronauts made simulations inside NASA facilities to be better prepared for the space.</span>
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The answer is A. Grasslands.
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A document that embodies the fundamental laws and principles by which the United States is governed.
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