Which of the following could be done to reduce global warming trends
a.) plant more trees
b.) bottle more water
c.) raise more live stock
d.) build more schools

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.

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?