Answer:
 Energy coupling occurs when the energy produced by one reaction or system is used to drive another reaction or system
Explanation:
 
        
                    
             
        
        
        
Answer:
no goggles, smelling the substance and not wafting it, there is liquid on the ground, not being careful of surrounding (the person holding the box), and someone is on the ground during an active experiment
Explanation:
 
        
             
        
        
        
Answer:
its D
Explanation:
Its D cause plants use their roots to get water and the vascualar tissues are found in the root most of the time.
 
        
             
        
        
        
1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.
2. The average speed of the marble is 5 m/s  (meters per second). 
3. Rider 1 will arrive at the destination before Rider 2.
Hope This Helps!  : )