Answer:
a. Adolesent boys temporaily decline in affective empathy between the ages of 13 nd 16.
No one can help you with that. It's asking for YOUR experience and we're not you, sorry.
Answer:
It's difficult to predict the impact of new policies and procedures.
Explanation:
Evaluating the options :
In option A, Incorrect spelling of policies
In option B ; No spelling error and the tension s are perfect
In option C ; It's has no apostrophe and policies is incorrectly written
In Option D ; ':' is used inappropriately
Hence, option B is the correct choice.
One good option is tetrameter.