I believe that #4 is incorrect. I think that the noun phrase is "favorite dessert" because it is a phrase containing a noun, while "His favorite" (your answer) doesn't have a noun in it, therefore it cannot be a noun phrase.
The rest look right!
Answer:
me
Explanation:
because there are many more men in out militay
rys risking their lives and also they are very adventurous
Answer:
People must appreciate what they have and enjoy their lives.
Explanation: