Question

An effective conclusion to an informational text should

Answer 1

An affective conclusion to any informational text should restate the introduction.
This way you can remind the reader what the point of the passage was and to help make your statement clear to the reader. Usually when the authors purpose is to inform the reader about information, they restate the introduction in the conclusion to wrap up their whole idea.

Answer 2

Hey there!

An effective conclusion to an informational text should be "reword your theme in a newly technique."

Off topic but is related to the question: Everything that you start off should be in your theme (thesis) and the that you're in the process of learning will be written out.

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)