The correct answer is Sir Ernest Rutherford.
One of the first findings on atomic energy theory was reached in 1911 by Rutherford, who became known as the father of nuclear physics.
He discovered that the mass of the atom was concentrated in its nucleus, and proposed that the nucleus has a positive charge and is surrounded by negatively charged electrons, which had been discovered in 1897 by J. J. Thomson.
His theory was complemented in 1913 by Niels Bohr, who placed the electrons in definite shells or quantum levels.
Answer:
We don't know
Explanation:
Cave painting of the prehistoric times was the artwork engraved on the walls, ceilings and large stone of the caves. Caves in the district of Maros, Indonesia, and the Franco-Cantabrian region are the oldest surviving cave paintings that belong to the upper paleolithic period around 44,000 years ago. They mostly include hand stencils and geometrical shapes. The purpose of these paintings are still debatable.
<span>During the contested election of 1876, Rutherford Hayes and Samuel Tilden were bitterly debating over who was the rightful winner of the White House. The Compromise of 1877 came from these disagreements: Hayes was given the White House, but would also pull the northern troops from the southern states and would end Reconstruction. This ended up leading to the rise of Jim Crow laws and de jure slavery by many of those same states.</span>
Answer:
Greco-Persian Wars | Definition, Summary, Facts, Effects ...www.britannica.com › event › Greco-Persian-Wars
Greco-Persian Wars, a series of wars fought by Greek states and Persia from 492 to 449 BCE. Although the Persian empire was at the peak of its strength, the collective ... even succeeded in liberating Greek city-states on the fringe of Persia itself.
Lifestyle diseases, environmental problems, and healthcare delivery. Hope this helps!!
