What is the luminosity of a 2-solar-mass main-sequence star compared to the sun? 2 0.14 1.414 11.3?

If u make mistakes on a school trip to knotts like standing up on a ride too early and they ask you not to do it again or and if you do it again you will be escorted out will it go on my student record? yes i know it is a dumb question

How did the government of egypt change the natural state of the nile river?

Impact of over population and under population?