All except the fourth (one therapy for all ages).
Answer: characteristics underpinning effective interdisciplinary team work were identified: positive leadership and management attributes;
Explanation:
The most interesting aspect of working with firearm evidence is finding out which type of firearm was used and inspecting the bullet and matching it to the archives of guns and bullets. However, the challenging part is tracing which person used the firearm and evidence and is the suspect of a crime. Also, tracing the movement of the bullet used from where it was shot and where it landed. It's very hard to know which person used the firearm as the end user.
Gender equality is simply focused on providing men and women with the same equal opportunities (like making it legal for women to own land, or even attend school), gender equity works to correct the historical wrongs that have left women behind (such as societal restrictions on employment).
Factors that could hamper effective communication would be staying in the past, talking only about one aspect of the situation, not being prepared to think about a situation in a new light, not considering all the possibilities which might help in a current situation, and many others. These were just five ones which are highly harmful when one wants to be effective in communication.