• ignitability
• corrosivity
• reactivity 
• toxicity 
sorry if i’m wrong 
        
             
        
        
        
The answer would be C.
Plants that live in the canopy get way more sunlight than the ones that are on the forest floor. They have different adaptions that i can tell u about in the comments if it’ll help with what ur studying:)
        
             
        
        
        
Adenine and thymine
cytosine to guanine
hope that helped
        
                    
             
        
        
        
Emperor penguins have the ability to 'recycle' their own body heat. The arteries and veins lie close together so that blood is pre-cooled on the way to a penguin's feet, wings and bill and warmed on the way back to the heart. Emperors' feet are adapted to the icy conditions
        
                    
             
        
        
        
Answer:
Animals at the top of the food chain are too hard to be caught and eaten, while plants and smaller animals are eaten easily.
Explanation: