mRNA would be CCAUCCUUUGGG
tRNA would be   GGUAGGAAACCC
 
        
             
        
        
        
Answer: C - spiral staircase 
Explanation:
 
        
                    
             
        
        
        
Answer:
c. The founder of the modern environmental movement and author of Silent Spring is Rachel Carson
d. Deciduous trees such as most pines do not lose their leaves/foliage in winter.
Explanation:
 Yes, Rachel Carson is the founder of the modern environmental movement as well as author of Silent Spring. She was an American marine biologist, author, and conservationist which started the modern environmental movement in order to save the environment form pollution. Yes, the Deciduous trees such as most pines do not lose their leaves/foliage in winter, they only lose those leaves that are too old. They are considered as evergreen plants.
 
        
             
        
        
        
Answer:
C. Yes, the results of his experiment were probably inaccurate the
first time.
 
        
             
        
        
        
To find the speed of waves, use this formula! 
V = frequency x wavelength 
(V is a unit for speed) 
Plug in your numbers! 
V = 3.7 x 8.4 
V = 31.08 m/s
*m/s is meters per second.