Doug has filled a long tray with an even layer of sand. doug then uses two bricks to prop up one side of the tray. next, doug uses a watering can to pour water onto the high side of the tray. what natural process is doug mist likely modeling. a.) erosion b.) an earthquake c.) the rock cycle d.) a volcanic eruption

a- erosion

Explanation:

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of those who start drinking before they're 15 will develop alcohol dependence

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.