What are some facts about the zhou dynasty?

Brainliestttme : ) how are developed nations and developing nations similar? both have membership in multinational groups. both experience high death rates. both experience low infant mortality rates. both have high per capita income.

Brainliestttme : ) how did the marshall plan impact the european economy in the post-world war ii era?

Space is not completely empty. there are small particles in space. what happens when these particles come together?