A particular chemical reaction carried out at 40°C takes 2 hours. Approximately how long will it take to carry out the reaction at 20°C?

A) 0.5 hour
B) 1 hour
C) 4 hours
D) 8 hours


D

Environmental & Atmospheric Sciences

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What will be an ideal response?

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A) chemical fabrication B) fertilizer manufacturing C) power generation (electricity) D) transportation E) heating buildings

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Women dominate the flow of migrants from ______________, ______________, and ______________.

Fill in the blank(s) with the appropriate word(s).

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A) Wetlands B) Deserts C) Steppe D) Savanna E) Prairie

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