Before Copernicus challenged the ideas of Ptolomy people accepted the belief that . a.
planets revolved around the sun
c.
planets revolved around the earth
b.
planets revolved around the moon
d.
planets did not move at all

C.  planets revolved around the earth

Explanation:

The other planets besides the sun revolve around the earth says scientists that are in the ISS --International Space Station-- watching it all happen.

This answer was gotten by watching a CNN 10 Teens video.

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.