The correct answer is C.
If siblings explained the use of technology and media to each other the outcome expected would be that the siblings would spend time using technology tools together. They would each know how to use the media and technology, they would probably use them at the same time, they might game together, they would interact together and help each other out.
Stretch the muscles before working out so it will be more easier to sprint while running to bring out the legs more
No they do not. Even if they did, they live in water so. Hope this helps!