Answer:
m1*v1 = m2 v2 
1200kgm/s=600kg*v1=(7+600)*v2
6000=607*v
v2=9.8m/s
Explanation:
its need velocity 
 
        
             
        
        
        
Plants need energy from the sun, water from the soil, and carbon from the air. The plant uses the carbon to form the leaves and stem and roots. I can go more into detail in the comments if you need. 
 
        
                    
             
        
        
        
What this student is doing is collecting data. So, he wants to check how many life forms there are in the waters nearby. In order to do so, he has to take a sample, and look at it through a microscope so as to determine the number. So, he collected a sample which is his data. He is not drawing conclusions yet, but rather counting these organisms. He is not making a peer review - his peers aren't even mentioned here. He is not forming a hypothesis because he is just counting at this point.
        
                    
             
        
        
        
Answer:
Progenies of batch I would not be labeled by 35S; progenies of batch II would be labeled by 32P.
Explanation:
 
        
             
        
        
        
-Headaches, which may be severe and worsen with activity or in the early morning.
-Seizures. People may experience different types of seizures. Certain drugs can help prevent or control them. 
-Personality or memory changes.
-Nausea or vomiting.
-Fatigue.
-Drowsiness.
-Sleep problems.
-Memory problems.