The of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time.
a. amplitude
b. frequency
c. intensity
d. compression

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

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!

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.