Any two effects of gravitational force are as follows:
1. The Earth's gravitational force accelerates objects when they fall.
2. It constantly pulls, and the objects constantly speed up.
 
 
        
             
        
        
        
Answer:
A
Explanation:
If you can define photosynthesis.. 
 
        
             
        
        
        
One factor is resting and exercising 
stress and peace
        
             
        
        
        
Answer:
use electricity to make a spark in the bulb and light it
Explanation: