Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be
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Scientists discovered dragonflies can move each of their four wings independently which gives them their flying abilities. Dragonflies bend and twist their wings to cause little whirlwinds that move the air even faster over the upper part of the airfoil, reducing air pressure even more than most flying animals can.
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unholy and disadvantage of vegetation propagation and then double fertization to you
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