Answer:
because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.
Explanation:
 
        
             
        
        
        
Answer:
The atmosphere
Explanation:
Most of the air travels through the atmosphere tho very little travels through the ocean from air vents, or scuba diver oxygen tanks.
I hope this helped!
 
        
             
        
        
        
Explanation:
cells must be attached to a substrate or extracellular matrix of a tissue.
 
        
             
        
        
        
C, because that’s what the scientists are saying that’s different, a giraffe with a short neck has a lower Survival while a giraffe with a longer neck has a Higher survival rate.
        
             
        
        
        
I believe that its chlorophyll 
since it basically absorbs certain portions of the visible light spectrum being admitted from the sun
if im wrong im so sorry hsgsshg