Is a system in which both matter and energy flow into and out of the system. a closed system an isolated system an open system a dynamic system

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations