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Hatshy [7]
3 years ago
5

There are four key economic questions that each economic system must address. True or False

SAT
2 answers:
vesna_86 [32]3 years ago
5 0
True
Please: Rate. Thank. Brainliest
Natasha2012 [34]3 years ago
3 0
The answer is True....
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How does a pot of heated water demonstrate convection.
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the hotter water flows to the top and the colder water flows down which then gets heated goes back up and the hot water that went up is colder again so they keep flipping

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Which of the following describes the zeroes of the graph of f(x) = 3x6 30x5 75x4?.
lozanna [386]

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Explanation:

f(x) = 3x6 30x5 75x4?.

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1.Sixteen cyclists were each asked the number of miles they biked last week. Their responses are given below. You will be creati
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hi

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measure of energy in food, specifically the measure of heat needed to raise a kilogram or a gram of water by one degree Celsius. for real nerd

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3 years ago
Which characteristics determine an element’s reactivity?.
kipiarov [429]

Answer:

En química, la reactividad de una especie química es su capacidad para reaccionar en presencia de otras sustancias químicas o reactivos (de diferente dominio químico).1​

Se puede distinguir entre la reactividad termodinámica y la reactividad cinética. La primera distingue si la reacción está o no favorecida por entalpía (competencia entre energía y entropía), es decir si es una reacción espontánea o no. La segunda distingue si la reacción tendrá lugar o no en una escala de tiempo dada.

De esta forma, existen reacciones termodinámicamente favorables pero cinéticamente impedidas, como la combustión de grafito en presencia de aire. En casos así, la reacción se dará de una forma muy lenta o, directamente, no se producirá. Si una reacción se encuentra bloqueada cinéticamente, es posible lograr que se produzca alterando las condiciones de reacción o utilizando un catalizador.

La química orgánica y la química inorgánica estudian la reactividad de los distintos compuestos. La fisicoquímica trata de calcular o predecir la reactividad de los compuestos, y de racionalizar los mecanismos de reacción.

Explanation:

8 0
3 years ago
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Based on the chart below, which of the following statements is true?
MissTica

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definitely D

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there is literally no evidence of air pressure in the chart at all

6 0
3 years ago
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