one degree by one degree. 30 Blocks to Quadrant.
Ratio of density of a substance at
a particular temperature to density of water.
Self-consistent system of measurement
units based on the MKS (metre-kilogram-second) system. Adopted
for international use under Le Système International d'Unités,
now employed for all scientific and most technical purposes.
(Sq. kms / Km2)
1000 metres x 1000 metres, One Km2
(100 hectares) = 0.3861 sq. miles