Escoge la respuesta correcta. Una disolucion que contiene 25 g de soluto en 500 ml de disolucion tiene una concentracion de 50% en masa 50%en volumen 25%en volumen 50 g/l

- both b and d.

-since b and d are the closest coastlines then that makes it the most affected.

< 3

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year