Answer:2. Flooding and 4 run off 
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff 
 
        
             
        
        
        
Answer:
Experiment to show that sunlight is necessary for photosynthesis - definition. Take a plant with destarched leaf. Leaf is partially covered with black paper on which a design is cut. Expose this plant to sunlight for few hours and perform a starch test with iodine solution.
Explanation:
I tried kiddo
 
        
             
        
        
        
Magma is basically molten rock but INSIDE the earth, Lava is Molten rock that is no longer under the crust, and is on the surface (like lava from a volcano
        
                    
             
        
        
        
Answer: D. Fossil Record
Hope
 this is correct!!