What causes the lithospheric plates to move, leading to the drifting of the continents? Convection currents within the lithospheric plates cause the plates to float on top of the rigid, brittle asthenosphere.
The continents move due to the plastic, flowing composition of the lithospheric plates upon which the continents sit.
The plastic, flowing asthenosphere slides over the top of the brittle, rigid lithospheric plates causing the continents to drit
O Convection currents cause the asthenosphere to be plastic and flowing which moves the plates that sit on top.

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.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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