Why is the production possibility curve drawn as a bowed-out curve?

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

The production of cells during mitosis into specialized function is recombination or differentiation

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?