Silver is composed of a single type of atom and cannot be broken down into different substances. silver is an example of a(n)
a. element
b. compound
c. molecule

What is the length x of the side of the triangle below? (hint: use the cosine function)

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.

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical