The Harappa’s system of standardized weights and measures signified advance technology and an advancing civilization in the Indus River Valley. Remarkable accuracy in systems and tools of the Harappan people were demonstrated by fire-baked bricks which were consistently moisture resistant and uniformly sized.
The climate of most islands is tropical or subtropical. It varies between humid and seasonally dry.
If the sin 30° = 0.5, then the cos 60° = 0.5
