The total amount of water on earth
a. is increasing.
b. is fairly constant.
c. is decreasing.
d. depends on the weather.

The correct answer is fairly constant.

The total amount of water on the earth remains fairly constant on the earth. The regulation of the mount of water on earth is maintained by the water cycle.

The water from the seas, ocean and other water bodies gets evaporated and gets stored in the clouds that comes down to the earth in the form of precipitation.

Through water cycle the amount of water on earth is fairly constant.

answer; /// i do believe its (heredity); good luck

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.