Demonstration of rocket principle in nature using plants, the cotyledons frees with a jerk when disturbed in United States.
United States USA Date:1944 Duration:1 min 47 sec Sound:NO SOUND
An animation showing mountain peaks and 20 km marked on a vertical line. Picture of sky with moon and stars. Animation showing distance between moon and earth, 400000 km marked on a straight line plotted between moon and earth. Demonstration of rocket principle in nature using plants. Cotyledons of a seedling is touched from among a pot of seedlings. The cotyledons frees with a jerk.
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