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Katarina [22]
4 years ago
9

How many grains of sand are there in the world

Advanced Placement (AP)
2 answers:
alexdok [17]4 years ago
6 0
There are seven quintillion five quadrillion grains of sand on all the beaches of the world. The exact number is not known.
IgorLugansk [536]4 years ago
3 0
Uncountable!? because there are more than a billion grains and it is clearly impossible to count them
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Which composer is often grouped with early nationalistic composers because of his affinity for the mazurkas and polonaise compos
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The correct answer should be B. Chopin.
Many of his compositions were based on traditional Polish dances such as the mazurkas which is evident if you listen to some of them. He was influenced by Polish traditional music and often included nationalistic sounds in his compositions.
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A school newspaper is doing an article on vaping. They
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3 years ago
9. You may not cross over solid double yellow lines unless
algol13

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4 0
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One pound of bituminous coal contains 14,000 BTUs of energy. Suppose a coal-fired power plant needs 3,500 BTUs of heat to produc
Rainbow [258]

Answer:

\boxed{\text{4 oz}}

Explanation:

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2. Mass of coal needed

\text{Mass of coal} = \text{3500 BTU} \times \dfrac{\text{1 lb coal}}{\text{14 000 BTU}} = \text{0.25 lb coal} = \textbf{4 oz coal}\\\\\text{It takes $\boxed{\textbf{4 oz of coal}}$ to produce 1 kWh of electricity}

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3 years ago
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