(At the age of eighteen, all male citizens are required to-) register with Selective Service.-
(A citizen receives a summons from a US court to report for-). Jury service-
(The three most common types of taxes that citizens must pay are income, sales, and taxes.) Federal income, payroll, Social security and medicare and state income taxes.
 
        
                    
             
        
        
        
Answer:
A. 2 hours walking; 12 hours running.
I am aware this is a multiple choice question. There is only one answer.
 
        
                    
             
        
        
        
A. Density increases
The density of planet earth is the lowest at the surface and increases the further you move to the middle.
        
                    
             
        
        
        
It should be noted that Cicero argued that one cannot easily separate what one says from how one says it.
<h3>What is communication?</h3>
Communication serves as the passage of information from the speaker to the audience, how ever for communication to be effective the audience should be able to understand the language of the speaker and be able to understand the message.
It should be noted that when communication is going on  Cicero argued that one cannot easily separate what one says from how one says it.
Learn more about communication on:
brainly.com/question/26152499
#SPJ1
 
        
             
        
        
        
Answer:
The astronaut was asleep longer on earth then he was in space
Explanation:
calculate the boring stuff (speed, time) and it shows that he was asleep for a greater value in space