There is more than one way you can finish this sentence, as human cognition is not binary, but rather composed of overlapping, vague skills.
One way to finish it is to say simply: "thinks and learns", but you can go into more details:
-remembers
-processes information
-memorizes
-understands new information
Answer: The collapse of the Berlin Wall.
Explanation: The collapse of the Berlin Wall as the culminating point of the revolutionary changes sweeping East Central Europe in 1989. Throughout the Soviet bloc, reformers assumed power and ended over 40 years of dictatorial communist rule. The reform movement that ended communism in East Central Europe began in Poland.
The giant ice berg released 720 tons of ice into the Weddell Sea when it broke off from Antarctica.
1040 EZ, is an answer, I searched it up on google