Which of the gases have about the same concentration when a person inhales and exhales? O A. nitrogen and argon
O B. oxygen and nitrogen
C. argon and carbon dioxide
OD. carbon dioxide and oxygen

Carbon dioxide and OXygen because the air we breathe out contains 16.4% of oxygen and 4.4% of carbon dioxide.

Explanation:

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

bacterium is not correct