Remains as snake is a cold blooded animal
        
             
        
        
        
It’s funny because the concept of sustainability is thought to come from field of forestry. Around the year 1700, Carl von Carlowitz described the concept of sustainable forestry.
        
             
        
        
        
Answer:
c. The products of one process are the reactants of the other process
Explanation:
CARBOHYDRATE and oxygen  is the product of photosynthesis while it is reactant in respiration.
Similarly, Carbon dioxide is the reactant of photosynthesis while it is product of respiration.
 
        
             
        
        
        
For number 8:
all radio waves,
infrared radiation,
visible light,
ultraviolet radiation,
X-rays,
gamma rays.