Why do humans sweat? what is unique about water that makes sweat a useful biological process

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Can someone me with 6 to 10 plz this is for masteries test.

What is the molar mass of ca(cio4)2