What are the fatty acids that must be eaten in our diet?

The human body can make most types of fats it needs from other fats or raw materials. That isn't the case for omega-3 fatty acids. These are essential fats the body can't make from scratch but must be gotten from food.

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.