The study of the structure an behaviour of the physical and natural environment by oberseving through scientficic instruments and through experiments.
I am not 100% on this but crest is usually associated with a wave so if there is an answer for a wave I would go with that
Enig-ma
The word enigma had its first known use in the mid 16th century, used as a noun to refer to a person, thing or situation considered obscure or concealed/unknown.
As is the case with more than 50% of English words, which have either Latin or Greek roots references, enigma has two root references. The word<em> aenigma</em> from the Latin language, means riddle and from the Greek word <em>ainigma</em> obtained from the word <em>ainissesthai</em> which means to speak in riddles derived from ainos - fable.
Prefix:
In this case there is no identifiable prefix.
Suffix:
A letter or group of words that when placed after the main word changes it meaning or gramatical function.
-ma is related to -ment (Middle English) concrete result of something... from the same Greek noun suffix - mat / -ma
Answer:
you can look it up online but do not copy word from word or else it will be copywrited
