A mineral soil has a water content of 25 kg water per 100 kg dry soil. What is the approximate specific heat of this soil, expressed in calories per kilogram?
A) 250
B) 640
C) 450
D) 360
E) impossible to calculate
D
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A gauge standard is used to calibrate a micrometer.
Answer the following statement true (T) or false (F)
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When fed correctly, cattle usually reach the proper stage of finish when they are about _____ year(s) old.
a. 1 c. 3 b. 2 d. 4
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A plug-in hybrid is different from a conventional hybrid electric vehicle because it has ________
A) More batteries B) LiOx batteries C) A built-in battery charger D) Bigger motor/ generator
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To attract bees and other insects, plants have developed brilliantly colored flower _____________________
Fill in the blank(s) with correct word
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