Answer:
They obtain energy by a process called photosynthesis 
Explanation:
 
        
             
        
        
        
Answer:
Explanation:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
 
        
             
        
        
        
1: D
2: C
Plants don’t need respiration. Animals need to eat.
        
                    
             
        
        
        
C from the sun to bird to worm
        
             
        
        
        
Exploring new sources of coal depositsAnswer:
Explanation:
sry if im wrong