Kolkata (formerly Calcutta) is the capital of India's West Bengal state. So it is located in India.
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Answer:
The color is considered dark if the rock appears as a dark gray to black (pyroxenes, the amphibole Hornblende, the mostly Ca-plagioclases near Anorthite, and Biotite mica. Density is a property that is proportional to the composition of the rock. The higher the amount of silica (felsic) the less dense the rock will be.
Explanation:
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The upward wind or wind in general
Reception (sensation) sensory receptors detect the presence of a stimulus.
transduction (sensation) sensory receptors convert stimulus energy into electrochemical energy.
transmission (sensation) ...
selection (perception) ...
organisation (perception) ...
interpretation (perception) ...
sensation. ...
perception.