Robyn is single, in her 40's, and has a mild intellectual difficulty. Robyn receives a disability allowance and lives on her own in a housing development. She has no family support but works in a sheltered workshop, a position she arranged for herself. She went to her family physician because of the severe dermatitis/skin irritation on her hands. It emerges that Robyn has obsessive thoughts about cleanliness and undertakes compulsive cleaning rituals involving the use of harsh detergents. Robin has

the answer is b, have negligible mass

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!

at right angles to each other