Which of the following is represented by the letter a in the diagram below?
the options:

amplitude

crest

trough

wavelength

Don't depend on this but logically i think c

Pretty ssure the answer re her answer is b hope this : )

"central america is subject to fierce which drop large amounts of on the region. another threat in the region is activity such as earthquakes and volcanoes caused by the shifting of the earth's large waves called may result in mass destruction. frequently crops are wiped out causing in the region." where is the question

Sorry but there isnt a map i would love to but if u can paste the picture of the map in my comment and i will you