Question

Parepare a model based on any nature cycle and present it in a science expibition

Answer 1

Hope it helps
Good luck

Answer 2

At attachment you can see the pictures describing about the water cycle from ground to environment and then environment to ground . I hope this will help you alot in preparing the model and at least in getting the idea how to make a model .So you can take the idea for this. 

hope it helps...

please mark as BRAINLIEST..

please...

Also , exhibiting model is a good way to spread messages about natural thins to different kinds of people.