Whether the task is easy or difficult is a question that can be answered only when it is undertaken.
For example, while preparing for an exam, if a student goes by just what is told to him by his tutor, there is no surety of his having learnt his lessons properly.
Similarly, when a baby comes to this world, he is absolutely new to the world.
As he grows up, he begins to observe and incorporate things that he sees in his life.
The first of both sections is not computer adaptive, but the difficulty of questions that you'll be given for the second section is dependent on how well you did on the first section.
The essay section of the GRE is composed on the computer, but both writing tasks are graded by trained readers. Exam centers are located throughout the world, and most locations are open seven days a week.
Unless he gets cut from a sharp object, or trips from a higher place, he would never understand the meaning of these things and thus will never learn that he should stay away from such things.
Accepting a theory without experiencing it is to remain passive in life.
It is the nature's way of teaching things to animals as well as humans.
A bird would never be able to learn how to fly unless it flaps its wings.