Question

In what two places in the dictionary can you usually find a key to diacritical markings?
1.at the beggining of dictionary
2.at the end of dictionary
3.at the bottom page

Answer 1

Diacritical marks can be found at the beginning of the dictionary or at the bottom of the page depending on the dictionary and the language. 
At the end and sometimes in the middle, there could be found vocabulary, grammar, etc examples and explanations.

Answer 2

Answer:

at the beginning of the dictionary or at the bottom of the page

Explanation: