FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Electromagnetic
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Strong Nuclear
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Gravity
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Weak Nuclear
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Detailed explanation-1: -Two are familiar to everyone; two are less so. First, gravity is the force that pulls us to the surface of the Earth, keeps the planets in orbit around the Sun and causes the formation of planets, stars and galaxies.
Detailed explanation-2: -Gravity is one of the fundamental forces in the Universe. Although gravity is the weakest of all the forces in the Universe, it is the most important force in the study of astronomy. Originaly defined by Newton, and refined by Einstein, gravity is essentially the natural force of attraction between any two objects.
Detailed explanation-3: -Gravity: Bringing the universe together It also keeps the solar system together … and our galaxy, and our local group of galaxies and our supercluster of galaxies. Gravity pulls everything together. Everything, from the bright centers of the universe to the planets farthest from them.