I personally feel that e-mail can be used for more business settings and as a more formal approach to things as opposed to a text, but option C seems to be more of an opinion.  I would go with C or D.
        
             
        
        
        
Answer:
You can buy one at gamestop, target, walmart, best buy and probably more stores 
 
        
                    
             
        
        
        
Answer:
Network diagrams. 
Explanation:
In this scenario, Jason is the network manager and is leading a project to deploy a storage area network (SAN). He is working with the vendor's support technician to properly set up and configure the SAN on the network. To begin SAN input and output (I/O) optimization, Jason need to provide the network diagram to the vendor support technician.
A network diagram can be defined as a graphical representation of the topology of a network connection.
Basically, it gives an illustration of all the equipments such as routers, switches, hubs etc. 
 
        
             
        
        
        
Create an adjustment layer and create a hue and saturation layer. You'll see sliders so adjust them to your liking. next select a layer mask and fill it will black. then select which areas you want to darken and use the wand tool. Apply a gradient mask if you want. 
 
        
             
        
        
        
Answer:
Laptops
Explanation:
They are the most common disk exchanging devices.