Which is a better conductor of heat: air or a copper wire? why?
a) air is a better conductor of heat because it is a mixture.
b) copper is a better conductor of heat because it contains electrons.
c) air conducts heat better because the molecules in a gas are further apart.
d) copper wire conducts heat better because molecules in a solid are closer together.

i believe it would be the lungs.

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.

i would say it is