Question

find out the names of animals.which communicate using infra-sonic or ultra-sonic and prepare a scrap book.
collect pictures showing various situation where potential energy possessed by an object depend an its shape and position.

Answer 1

Hi thank you for asking the question 
Animals that communicate through infra sonic or ultra sonic are  whales, elephants, hippopotamuses, rhinoceros, giraffes, okapi, and alligators
In the attachments is an image showing the whale using ultra sonic waves in the water to communicate with other fishes
Hope this answer helps you
Mark as brainliest  if it did thank you

Answer 2

Normal Human Audibility Range is 20Hz to 20,000 Hz.

Infrasonic Sound :
This is below the range that a human ear can detect.Elephants and Giraffes use Infrasonic sound waves to communicate between herds over a greater distance.
Animals that use Infrasonis sound wave for communication :
-->Elephants
--> Giraffe
--->Whales
--->Rhinos 


Ultrasound :The sound waves with frequencies greater than 20,000Hz are called as Ultra sound which human ear cannot detect.
Animals that use Ultrasound :
--> Dogs
---> Bat will use for its navigation and finding prey.
--->Dolphins
---> Moths
--->porpoises

Potential energy is the energy possessed by the object by virtue of its position and shape. 
Refer the attachment for the picture .