Aproduct is a group of products offered by a firm that are closely related to each other, either in terms of how they work, or the customers they serve. select one:
a. mix
b. line
c. spectrum
d. category

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Aphysical change is a change in the size, shape,, or stafe of matter true or false

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.