Simon is comparing the communities of living things that live in two bodies of water: a long river, and the ocean bay just beyond the mouth of the river. Comparing which of these abiotic factors would be MOST useful for Simon to explain the differences in the communities

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.

50% lit on the left side

im not intirely sure but i think the anwser is d relative humidity