If 48 cm of brick and 15 cm of fiberglass have the same r value,
both materials have the same density
both materials have the same insulating ability
both materials have the same conducting ability
both materials have the same mass

dang that balls went far

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!