I believe the correct answer is: a token economy.
A token economy represents a form of behavior modification
which is designed to increase desirable behavior and decrease undesirable
behavior with the use of tokens. When individuals display desirable behavior,
they receive tokens. The collected tokens may later be exchanged for a
meaningful object or privilege.
Since Tim suffers from attention deficit hyperactivity
disorder (adhd), his teachers and parents apply a token economy to reward him
with stars for desirable behaviors.
Answer:
Those experts are called <u>White Hat Hackers</u>
Explanation:
<em>White hat hackers </em>are those whose hacking activities are for a noble cause. They are also known as <em>ethical hackers</em>. Their primary motivation is usually not for personal or financial gain.
Also, they cannot be involved in cyber espionage, system hacking without the permission of the system owner.
They could be <em>paid employees or contractors working for companies as security specialists that attempt to find security holes via hacking.</em>
D- New Greek city-states we’re formed.