Pretty sure the answer is Egoism.
Hope that helps:)
Math tools can make you answer more accurate in an estimation. It is also easier to detect if there is inaccurate data. For example, measuring liquid substances. It makes your answer seem more organized and accurate.
Explanation: bdababy dababy wit your mom lets g00000000000000000000000000000
Answer: Evolutionary Psychology Explains Behavioral Skills
The ability to communicate complex thoughts was beneficial for human survival, and, as a result, language acquisition abilities evolved and advanced through the process of natural selection