Chose 3 topics from the upload file. Using information from the upload file and from at least one other original sources of your choosing (for each topic), give an explanation of each of the topics that can be understood by a 10-12 year old child

Chose 3 topics from the upload file. Using information from the upload file and from at least one other original sources of your choosing (for each topic), give an explanation of each of the topics that can be understood by a 10-12 year old child.

The word count for all the explanations combined must be between 400 and 50 words (as counted by Microsoft Word).