Can somebody plz help me with all of #14

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

spectral lines lyman is one set