You don’t have enough information listed in your question to give an answer. For example, what does DE and BC represent? What is your parameters?
Because of the sand below it and the waves cause it move and travel to form into something different and new.. <span />
Mean annual temperature - the average of the max and min temperatures of a year
A. Miguel de Cervantes wrote Don Quixote.
(In the future you may want to put Q's like this in the 'Spanish' category [or just Google it]. The book Don Quixote is a part of Spanish culture) :)
Answer: Space-time compression has greatly reduced the effect of distance decay today
