<span>Refraction happens when there</span> is a bending of path of a light wave as it
passes across the boundary separating two media and the degree of bending is
determined in part by the total change in velocity as the light<span> passes from one medium to the other. In
addition, the change in speed experienced by a
wave when it changes medium can result in a number of beautiful optical effects. </span>
Answer:
idk lol the answer is A i did it
Explanatiion: By finidng ways to use less elctricty we use less energy and less coal causing eocnomic gain
It is very true that masculinity and femininity are very strongly dependent on the society in which these terms are used. While there are genetic differences underlying the phenotype of being more masculine (having a bigger jaw, more hair on the body), there are also a lot of societal factors determining what is considered to be masculine and what feminine in a society.
it divides organelles so don't they run into each other
1. compound
2. element
3. element
4. compound
elements are only one type of thing, compounds are more than one type of thing
