<span>The mineral crystals in obsidian are too small to see without a microscope. This is because the rock cools so rapidly from magma that crystals barely have time to form. Obsidian is a normally happening volcanic glass framed as an extrusive molten shake. It is delivered when felsic magma expelled from a well of lava cools quickly with negligible precious stone development.</span>
how much sweat is released by each gland is determined by many factors, including gender, genetics, environmental conditions, age or your fitness level. they are also triggered by stress, anxiety or fluctuating hormones.
Answer: flagella
Explanation: not sure but i believe it is