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			Which of the following methods can be carried out by some plants for propagation?
1) Stem cutting
2) Grafting
3) Layering
- 
										
- 1) and 2) only
 
 - 
										
- 1) and 3) only
 
 - 
										
- 2) and 3) only
 
 - 
										
- 1), 2) and 3)