Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

Scientists have studied how the brain learns and found that regular practice is one of the most effective ways to improve memory and skills. When we repeat an activity, the brain builds stronger connections between neurons. This process, called "neuroplasticity", helps information move faster and more easily in the brain.

Research also shows that short study sessions are better than long ones. Instead of studying for many hours at once, students should review information in smaller periods over several days. This method, known as "spaced learning," allows the brain to store knowledge more effectively.

Another important factor is sleep. During sleep, the brain organizes and strengthens what we have learned during the day. Students who do not get enough sleep often find it harder to concentrate and remember information.

Failure also plays a role in learning. When students make mistakes and correct them, the brain becomes more active and improves its understanding. This shows that learning is not only about getting the right answer but also about the process of thinking and trying again.

By using these methods, students can study smarter and achieve better results.