Answer:
 300% - 400%
Explanation:
The cardiac reserve is in the range of 300 to 400 percent (300% - 400%
) in normal young adults, while this percentage can be increased to 600% in trained athletes 
 
        
                    
             
        
        
        
Answer:
I think it is white and is looks like powder and is has a strong smell.
Explanation:
If I'm right please give brainliest. sorry if wrong.
 
        
             
        
        
        
The features which create deposition from rivers are found in food plains, alluvial fan, and deltas.
Deposition is termed as a process whereby the transported materials by a river are being deposited.
When a river losses energy we say that there is deposition.
Where there is high flow of water in a river deposition is likely to occur because more sediments are being carried as well as erosion which is being caused.
 
        
                    
             
        
        
        
Answer:
The beak size will either increase or decrease, depending on the past evolution.
Explanation:
 
        
             
        
        
        
Answer:
C.
Explanation:
In mRNA, there isn't a Thymine nitrogen base. There is a "new" nitrogen base called Uracil, which takes its place. So in transcription, A=U and C=G.