What are transparent strands that are used for communication called? beams

holograms

lasers

fiber optics

"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.

the part of the wave he is travelling on is the crest

higher potential

explanation:

because it is in a high speed so it must move into a of high potential