Answer: d. All of the above
The choices presented above creates a barrier to listening. These barriers are created by the speaker that is characterized by the very low volume of the speaker's voice, the speaker also speaks too quickly and his/her message may be too complicated for a listener to grasp or understand.
        
                    
             
        
        
        
Answer:
In case Earth becomes uninhabitable.
Explanation:
If for whatever reason we are forced to leave Earth there are no other hospitable planets we could live on. By making mars more like Earth we could eventually relocate to mars.
 
        
             
        
        
        
Some tips to use to write this email to your friend are:
- Write an appropriate header
- State the reasons why you cannot attend classes
- Mention how long you think you would be away
- Ask him to keep you informed on important activities
- Conclude and send the mail
<h3>What is an Email?</h3>
This simply means electronic mail and this is used to send messages all across the globe through the use of the internet and an email address.
Hence, we can see that when writing an email, it is important to include an appropriate header or title such as "Why i cannot attend college" and then give details.
Read more about emails here:
brainly.com/question/24688558
#SPJ1
 
        
             
        
        
        
<span>Risks of certain types of diseases, like lung cancer, are more expected for someone who smokes. Each time you take another cigarette, the chance for it increases even more. To reduce the probability, quitting to smoke helps significantly reduce it.
hope this helped</span>