A primary key is the answer. =)
Malware can be hugely damaging to businesses as well as individuals. Hackers often use malware to try and gain entry into an organisation's systems or networks, from where they can access valuable data to steal and sell on.
Answer:
Corporal punishment is a discipline method in which a supervising adult, such as a teacher, deliberately inflicts pain upon a child in response to a child's unacceptable behavior or inappropriate language. The goals of this type of punishment are usually to halt the offense immediately, prevent it from happening again, and set an example for others.
An academic skill that the blogger learned, was to review the graded tests and quizzes to see which concepts he missed out on so that in the future he would be well prepared for it. Reviewing and comparing the tests and quizzes would give him an idea on which topics he needs to study.
Other than the academic skill, the blogger also learned that a person should never give up and he keeps on learning throughout his entire life, and that all of the improvements that the blogger made did not come all at once.
