Plz help me I need help with these 2 questions Thank you And it is for science

What kinds of antigens are found on the rbcs of a person with a+ blood

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?

What are the five categories of my plate