What happens in the negative impact of human water use?

We use the water up in one region and then try to channel it to places where it is not usually used such as California Arizona and then whenever those reservoirs run dry dry the people in that area run out of water no farming no nothing example the dust bowl of the early nineteen hundreds

Ithink option a is correct because you cannot donate a different blood group than yours because it won't match.option a says betsy can donate to mark. they have the same blood group so donation can happen.