Answer:
Soil Erosion
Explanation:
Basically, tillage breaks soil up, destroying its overall structure. It encourages surface runoff and therefore soil erodes more easily. In some cases soil erosion is beneficial, but in most cases, it is not. Tillage has also been found to cause the emissions of more toxic gases such as N20.
 
        
                    
             
        
        
        
1- B
2-B
3-C
4-B
5-A
6-A
I cant see the options for question 7, but here are the answers for 1-6. Hope they help!
        
             
        
        
        
<span>Bacteria keep their shape by having a rigid cell wall, but they can be shaped and appear differently. There are three main shapes of bacteria: 1.) The Coccus bacteria is in a sphere shape. 2.) Spirillum bacteria is in a spiral shape. 3.) The Bacillus bacteria comes in a rod shape. Each of these bacteria can come in pairs, clusters or chains.</span>
        
             
        
        
        
Answer:
Diffusion is the movement of molecules from an area where the molecule is in high concentration to an area where the molecule is in lower concentration. ... Facilitated diffusion is the movement of a molecule from an area of high concentration to an area of lower concentration with the help of a protein channel or carrier.
Explanation:
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