Answer:
Redox reactions have a reducing agent and a oxidizing agent
Explanation:the reducing agent is more reactive than the oxidizing agent
 
        
             
        
        
        
Answer:
I belive about 3 days.
Explanation:
To the naked eye, the full moon lasts about three days, but in reality, it is a full moon for just an instant before it begins to wane. The moon takes just under one month an average of 29 1/2 days to complete its phases.
Hope this helps!
 
        
             
        
        
        
Answer:
1-Mg+O2=reactants                  MgO-product
2-CaNr2+AlCl3=reactants        CaCI2+AIBr3=product
3-C2H4+O2=reactants              H2O+CO2=product
Explanation:
Reactants are on the left side and products on the right.
 
        
             
        
        
        
Answer:
Gas, has no shape but does take up volume
 
        
             
        
        
        
The answer is 3). This is because elements are the simplest form of a substance, and cannot be broken down any further. Compounds on the other hand are much more complex than elements and can be broken down INTO elements.
For example, Na, sodium, is an element and cannot be broken down further. H2O, water, is a compound and can be broken down into Hydrogen and Oxygen.