Yes, they can be. Not only gray, black and white but pink as well. Pink dolphin is the common name of The Amazon river dolphin (Inia geoffrensis), that lives in Amazon, Orinoco and Araguaia rivers. It is an endangered specie due to pollution according to International Union for Conservation of Nature.
Recommended Books on How to be an Effective Communicator: 1  The Leader as Communicator: Strategies and Tactics to Build Loyalty, Focus Effort, and Spark Creativity. 2  Stand and Deliver: How to Become a Masterful Communicator and Public Speaker. 3  10 Simple Secrets of the Worldâs Greatest Business Communicators.
Effective business communication means that you also need to be a good listener. If you set up a meeting and you are the facilitator of the meeting or the primary speaker, it doesn't mean that everyone needs to hear what you have to say and that is it.hese tools include cell phones, business phones, video conference calling, email, fax, and other methods. In addition to communication tools, the way you communicate is extremely important so misunderstandings do not take place. The most effective communication is in person.