Numerade

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Size a photovoltaic array sufficient to offset the annual electricity for a heat pump water heater for an array in the Boston area with 1600 kWh/yr per kWp insolation. The COP of the heat pump is 1/3 of the COP of the Carnot cycle operating between hot water temperature of 130 °F and average temperature (Tavg = 50 °F) in Boston. The annual hot water load is 10 million Btu/yr. Find both PV-rated power and the area needed, assuming 16% efficient PVs.

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Q8. Think back to our lessons on niches and population dynamics. Why are large-bodied animals disproportionately affected by mass extinction events (remember k vs r selection)

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A parallel plate capacitor with plates of area (A) and plate separation (d) is charged so that the potential difference between its plates is (V). If the capacitor is now disconnected from the power source and its plate separation is decreased to d/3, which statement is correct?

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Nucleotides, the building blocks of nucleic acids, are made up of a nitrogen-containing base, any simple sugar, and a phosphate molecule a calcium-containing base, a pentose sugar, and a phosphate molecule a nitrogen-containing base, a pentose sugar, and a phosphate molecule a nitrogen-containing base and two phosphate molecules a nitrogen-containing base, a pentose sugar, and a sulphate molecule I DON'T KNOW YET

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Quran in Arabic, "the revelation" or "recitation", also written Koran. In Muslim thought, the unadulterated, eternal, and unchangeable word of God, the final revelation of God to humankind, which includes the "Five Pillars" that form the basis of Muslim belief. A) True B) False

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Put the following steps of lipid digestion and absorption in order: Pancreatic lipases break triglycerides into monoglycerides and fatty acids Fat globules are broken into droplets by bile salts Absorption across the apical membrane via simple diffusion The ER reforms triglycerides and other lipids The golgi packages lipids into chylomicrons Chylomicrons enter the lymphatic system

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An Underdevelopment trap is a poverty trap at the regional or national level in which underdevelopment tends to perpetuate itself over time. Group of answer choices True False

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A B C D X

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Service Revenue H&R Wholesalers is a retailer providing low cost, bulk items to small companies. Companies must pay an annual membership fee of $100 to access H&R's warehouses. H&R received yearly membership fees from 624 companies on August 1. Required: At December 31, calculate the remaining amount of Unearned Revenue and the account balance of the Revenue account. Round your answers to the nearest dollar. Unearned revenue Revenue

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The cost of 6 pens is $3.60. What would 2 dozen cost?

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benjamin j.