Explain the difference between class characteristics and individual characteristics. name four class characteristics of fired bullets that you could use a difference in the class characteristic to eliminate an item. name three different class characteristics of fired cartridge cases that you could use a difference in the class characteristic to eliminate an item.

b) phosphorus pentoxide

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!

there are no contact forces mentioned on the list of choices that you've provided.