A global organic food distributor needs to ensure that all farmers are providing food that meets quality organic standards. How does blockchain help all grocers confirm that organic standards are met?

a$.$ Blockchain technology uses machine learning to improve the estimated harvest and expected demand.

b$.$ Blockchain technology can be used to track all stages of growth to harvest that can be verified by grocers.

c$.$ Blockchain technology can be used to find farmers who are not following organic guidelines.

d$.$ Blockchain technology can use AI technology to predict any changes in supply