Answer:This group of tunnel experts can be best categorized as a VIRTUAL TEAM
Explanation:
What is a virtual team?
A virtual team refers to a group of colleagues who works on one project collaboratevely for a common goal. They work in a virtual environment and usuall these are the teams who work under telecommunications businesses. They use emails , fax , Skype etc . 
 
 
        
             
        
        
        
Europe never had the unity it used to - the kind of unity China had because of geographic barriers, ethnic linguistic diversity, & shifting balances of power. Could not unite into Roman Empire. Rise to frequent wars, enhanced role of status of military men, and drove "gunpowder revolution."
 
        
             
        
        
        
Answer: false
Explanation:
"Culture'' can simply be defined as the way of life of people. Culture consists of the beliefs, systems of language and communication of a particular society.
Culture is the knowledge of a particular society consisting their cuisine, arts, social habits and music.
Culture is NOT only a set of rules and regulations for BEHAVIOUR but also consist of set of rules guiding other things such as MUSIC, MOVIES/FILMS, how we practise RELIGION, the WAY WE DRESS,how we make our BUILDINGS, TECHNOLOGY ADVANCEMENT and so on. In short, cultures are laws and morals that governs a particular society. 
Culture has it importance,likewise it's disadvantages. Culture can be use for oppression and it can also be use for liberation 
 
        
             
        
        
        
Dentalhoe is the best-suited rectilinear instrument to smooth the pulpal floor for an amalgam preparation.
The pulpal floor of enamel is the bottom line. Your tooth pulp is the innermost layer of your tooth that consists of nerves and blood vessels. Your teeth pulp is protected by layers of dentin and enamel.
Dental amalgam is a dental filling fabric used to fill cavities because of tooth decay. Dental amalgam is an aggregate of metals, such as liquid (elemental) mercury, and a powdered alloy composed of silver, tin, and copper. about 1/2 (50%) of dental amalgam is elemental mercury by weight.
Restrict the pulpal depth of the instruction to a maximum of 0.2mm into dentin. The training for an occlusal surface pit and fissure lesion to be restored with amalgam is first organized to a depth of 1.5mm, as measured at the central fissure.
Learn more about amalgam here brainly.com/question/17811914
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