She uses the Radio-frequency identification(RFID) which is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects.These tags contain electronically-stored information.the passive tags collect energy from a nearby RFID readers interrogating radio waves.They contain an integrated circuit and an antenna which are used to transmit data to the RFID reader also called an interrogator.
        
                    
             
        
        
        
Answer: print("I can code")
Explanation:
luckily im a coder 
 
        
             
        
        
        
Answer:
C) Session Layer.
Explanation:
OSI model stands for Open Systems Interconnection. The seven layers of OSI model architecture starts from the Hardware Layers (Layers in Hardware Systems) to Software Layers (Layers in Software Systems) and includes the following;
1. Physical Layer
2. Data link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer
Basically, each layer has its unique functionality which is responsible for the proper functioning of the communication services.
Session layer is the layer of an Open Systems Interconnection (OSI) model which describes how data between applications is synced and recovered if messages don't arrive intact at the receiving application.
 
        
             
        
        
        
Answer:
Travelling in time might sound like a flight of fancy, but some physicists think it might really be possible. BBC Horizon looked at some of the most promising ideas for turning this staple of science fiction into reality.
Explanation:
 
        
                    
             
        
        
        
If some files appear dimmed in one of the default folders on your computer, the best course of action would be to A. leave the files as they are.
These files are probably either hidden or system files, which are never meant to be deleted or moved.