Short term memory test.
It is often referred to as the test of seven plus or minus 2. The test was developed by a psychologist whose name is George Miller. It was developed in 1956. It is currently one of the most often cited studies in this branch of psychology.
Answer: 10
Explanation: I chose 10 because adult have more understanding of how to maintain their lives
Portugal based its claim to Brazil on the fact that Pedro Alvarez Cabral had landed and had been the first European to discover Brazil in 1500.
Pedro Alvarez Cabral was a Portuguese nobleman, navigator, and also a military commander.
Answer: The Compromise of 1790
Explanation: