<span>Two plastic balls suspended by strings are placed close to each other. If they have the same charge then they will repel each other.</span>
<span>d. electron
J J Thomson discovered the electron, and it was put in his model of the atom.</span>
mass density orbit time temperature surface conditions
distyance from sun
Based on the physics principle of conservation of energy, this radiation budget represents the accounting of the balance between incoming radiation, which is almost entirely solar radiation, and outgoing radiation, which is partly reflected solar radiation and partly radiation emitted from the Earth system, including the atmosphere.
Devon will travel 180m in 12 seconds. All you have to do is multiply 15 by 12. Hope this helps