Read this excerpt from immigrant kids. Giuseppe and i held tightly to stepfather's hands, while liberta and helvetia clung to mother. Passengers all about us were crowding against the rail. Jabbered conversations, sharp cries, laughs and cheers -- a steadily rising din filled the air. Mothers and fathers lifted up babies so that they too could see, off to the left, the statue of liberty. What best paraphrases the central idea of the excerpt?.

Which of the following ideas did greek philosopher democritus contribute to the atomic theory? a. each object is made up of one atom, which varies in size from very small to very large. b. matter is composed of only one kind of particle, which can be easily destroyed. c. every element has a specific type of atom, which remains the same size in all forms of matter. d. all matter is composed of small particles, which combine to make larger objects.