Answer:
C) 3 sec
Explanation:
We must have to maintain the spacing of 3 Seconds. To be on the safer side, we should not enter into the gap which is way too close. Afterwards, we have to keep an eye on the other vehicles around us as well by using our both side mirrors and the back mirror. We should use indicators when necessary and we then must keep 3 second of distance between us and the next vehicle. This is very necessary because we can easily stop our vehicle by pulling the breaks and when it is required. Always try to remain on the safe side, main logic here is; Precaution is better than cure.
 
        
             
        
        
        
Britain, in the late 1700s to the early 1800s.
 
        
                    
             
        
        
        
Answer:
Since West Nile virus was discovered in the United States in 1999, the virus has been detected in over 300 species of dead birds. Although some infected birds, especially crows and jays, frequently die of infection, most birds survive.
hope it help you or other people
 
        
             
        
        
        
Answer:
C.  Some utility companies now put a smiley or sad face on customers' bills.
Explanation:
The study conducted by Schultz was made to spread awareness among people about their energy consumption, since there is no visible count of how much energy that we use unless we see it in our bills,
The result of the study indicates it is  that extremely hard for people to be conscious about how much energy they use on our day to day basis. Most of them surprised about their energy consumption after they receive their feedback.
Using the result of this research,  Some utility companies now put a smiley or sad face on customers' bills.  Xcel Energy in Minnesota and Commonwealth Edison in Illinois were among those companies.
The smiley face that being put on the bills indicates that the customers were doing a Good job in Energy savings and positively contribute to Environment conservation by reducing energy waste.