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rabbits | 20:03 Mon 15th May 2006 | Quizzes & Puzzles
5 Answers
Cultivation of plants in liquid nutrients

H - D - - - P - N - - S

Unit of angle equal to one hundredth o a right angle

G A - E
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hydroponics?
Grade
what number clue is your 2nd one ?
21d is Grade but you only had 4 letters !

Grad / Gon / Grade / Gradian


Take your pick!!


Grad is a unit of plane angle, equivalent to 1/400 of a full circle, dividing a right angle in 100. It is also known as gon, grade, or gradian (not to be confused with gradient). One grad equals 9/10 of a degree or π/200 of a radian.


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