You can carry 50-n weight up flight of stairs that is 3 m high in 10 s. then you carry 40 n two flight of stairs in 20 s finally, you carry 30 n up three power the same as the job that took the most energy? explain

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

not copied too! hope this !

joke:

h o h o hope you have a merry christmas!