Which of the following is a true statement about diffusion?

a.
diffusion is only important for animal cells.

b.
diffusion requires energy input from the cell.

c.
only water can diffuse across a cell membrane.

d.
molecules move from areas of high concentration to areas of low concentration.

your answer is rna to the question.

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…