It is saying to give the definition of the word ambiguous, if that didnt help then you need to ask more clearer.
Nucleus is the cell structure contains informations needed for protein synthesis
Both A and C are true but if you are to only chose one i would say A.
Answer:
The sea has waves. They go up and crash back down. You can think of this as hard times. When you think your doing good and start rising to the top you often crash back down. This (the crash) leads to difficulties or troubled times.
Romeo and Juliet is a tragedy written by William Shakespeare early in his career about two young Italian star-crossed lovers whose deaths ultimately reconcile their feuding families. It was among Shakespeare's most popular plays during his lifetime and, along with Hamlet, is one of his most frequently performed plays.