Usually this will be multiple choice so if so and C is correct
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.
One function is that they treat and prevent diseases
They also have the function of shutting down business in the case of a medical emergency
You can exercise, eat healthy, go on diet, ect.
The first one is correct. Weighted squats practice lower body control, and although the repetition is lower, its still more significant. The resting time doesnt matter UNLESS there's a deadline, but hey. Let em' breathe.