Jessica is measuring two line segments the first line segment is 30 cm long the second line segment is 500 mm long are the two line segments together

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.

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!

answer(20) psi;