Answer:
The concentration of a solution means the amount of solute present in a given or specific amount of solution. (presented in percentage)
For example, the Normal Saline solution normally used for different scientific experiment or so. The saline water has 0.9% of salt (sodium chloride). This is the concentration of solution of salt.
Answer:
Scaling changes the size of the whole image by resampling it(duplicating the pixels). in cropping you only get a part of the original image/ remove the outer area of it .
Explanation:
