Answer:
Eukaryotic group is defined by the presence of a nucleus
Explanation:
Eukaryotes are living organisms characterized by the presence of a nucleus
Answer: With the Independence of the Thirteen Colonies in 1776, the colonies became independent states, but united in a Federation, with republican and presidential political representation.
The Reconstruction had both positive and negative effects. If one side of African Americans are sending more experiments on the future economy of the south, because the economy was in a good way, the economy was growing in the South. On the other hand there are many protests against violations against this measure, many wanted to return to political control and that African Americans still have some service way.
Answer:
b) electrons jump onto or off the neutral ball when a charged object comes close
Explanation:
What causes a pithball to move is when "electrons jump onto or off the neutral ball when a charged object comes close".
The pithball electroscope is actually used to test if a body is charged or not. When a charged body is brought near the pithball, the ball moves. The movement of that charged body reveal that there are electrons it is carrying.
The pithball can actually be charged. It is charged by touching a charged object to it. This leads to some of the charges on the surface of the charged object moving to the surface of the ball. The pith-ball electroscope was invented by John Canton, a British schoolmaster and physicist in 1754.
Explanation:
the industrial revolution changed Europe in many ways. It resulted in an increase in population and the phenomenon of urbanization, as a growing number of people moved to urban centres in search of employment
