Which is an example of non-specific immunity?*
O
antibodies are produced by B cells
O
cytotoxic T cells kill infected cells
memory B cells are produced
O
inflammation increases blood flow to the affected area

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

the answer is d p: cell, q: organ, r: organ system, s: tissue