You can 3 way call by calling one person, and when they pick up, dialing a 2nd number and hitting talk/send. the 1st person will temporarily be put on hold. once the 2nd person answers hit talk/send again and you will be talking to 2 people at once!
a person who performs more than one task at the same time is usually called multitasker
People,couple or group.
Believing in more than one god is called Polytheism. Such a person is a Polytheist.
The person who does more than necessary to be successful could be termed an overachiever.
Yes
No, these are names for the same person.
rich
Talented
There really is not much a conference call can do as far as growing your business goes. While you can have a phone conversation with more than one person at the same time, it is not that useful for growing a business.
A person who speaks more than one language is called a polyglot.
mineralogistes or without the -es just -s
A person who knows more than one language is called a multilingual individual.