In sentence 19 (reproduced below), the writer is considering deleting the underlined phrase. Resettled in the remote parts of the park, where salt licks are plentiful and hikers are scarce, the goats will likely regain their natural wariness of people. Should the writer keep or delete the underlined phrase?.

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.