A. Resize
By dragging the border of a field or record, you are either enlarging it or compressing it. Choices "b" and "d" are only half correct, as there is always the possibility of making it smaller. Hope this helps!
        
                    
             
        
        
        
Answer:
optical sensors
Explanation:
optical sensors measure the amount of gases like carbon dioxide and carbon monoxide in the air
 
        
             
        
        
        
Advantages: Nuclear energy has the ability to produce electricity without greenhouse gas emissions. It produces electricity without pollution
Disadvantages: The nuclear weapons threats. Some reactors produce plutonium which can be used to make nuclear weapons
        
             
        
        
        
Vehicle maintenance is important because without them the vehicle would not function properly and could be a safety hazard. Vehicle safety is important because without it we could end up seriously injured or even killed, vehicles can be very dangerous if handled irresponsible and the proper safety methods are not used.<span />
        
                    
             
        
        
        
Answer: True  
Explanation: yes, it is true that egrep can accept multiple filenames as input arguments for example egrep -r "text1/text2", so this will search in all the sub directories . E grep is also known as 'grep -E' which belongs to the group of grep function and we used egrep to separate multiple patterns for OR conditions. This is also very less time consuming if you are going to search multiple input arguments in multiple different logs at the same time.