This could be the different times you did the experiment
Trees remove Carbo Dioxide from the atmosphere, they produce oxygen, and they make soil healthier and more arable. I hope this helps! Brainliest would be great. Comment below if it helped.
20kg piece of pure gold, i think........
Answer: Option A - Recognition of DNA sequence by a DNA or RNA probe
Explanation:
Southern blot helps to get the sequence of DNA that is complimentary to the DNA or RNA probe used