Using avogadro's number (NA = 6.02x1023 particles/mol), determine/ calculate how many moles are in 6.02 x 1023 formula units of Zn(CN)2

True or false, the three major scales used to measure earthquakes are mercalli scale, richter scale and magnitude scale

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

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.