One reason alternative energy sources are needed is because A. the energy needs of the world are decreasing
B. there is no limit to the supply of fossil fuels
C. the population of the world is decreasing
D. the supply of fossil fuel is diminishing

D.) the supply of fossil fuel is diminishing

Explanation:

Unlike other resources, fossil fuels are not renewable, so it doesn't take long to run out.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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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.