Precipitation can mean rain, snow or hail. In chemistry, precipitation is the formation of a from ?

The grooves or folds of the brain are called

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?