Which statement about exoplanets is true? They only appear once before they disappear in space. They only appear once before they disappear in space. They can be detected by ordinary telescopes. They can be detected by ordinary telescopes. They are objects that are no longer considered planets. They are objects that are no longer considered planets. They are discovered when they dim a star they pass by.

answer: the correct answer is c.

explanation:

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful. 

the answer is c. your welcome.