Answer:
c) matter in an ecosystem flows in one direction and is never reused.
Explanation:
A is true
 
        
                    
             
        
        
        
<span>Virtual team is composed of individuals who are separated geographically but linked by communications technology.
</span><span>The communications technologies that are used in order the people to work include e-mail, Skype, video conferencing..
</span><span>When employees work with technology via electronic, telecommunications, and Internet means it is referred to as telework.
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This would be asexual reproduction
        
             
        
        
        
Answer: They are found in proteins and DNA.
Explanation:
Covalent bonding is important to human beings because they are commonly found in carbon-based organic molecules which are considering proteins and DNA which are found in the human body.
There are three types of chemical bonds that are very important in the human body and physiology
 
        
             
        
        
        
That’s the periosteum. it’s a hard membrane, which muscles and ligaments are attached to, under which blood flows through the bone