PV Gap

Ruby Said:

which is not a feature of how life uniquely uses energy?

We Answered:

a) all motion indicates life activity (movement of leaves and flags caused by wind does not indicate life activity.)

Mae Said:

what percentage of the power in the U.S. is generated using solar power?

We Answered:

go here : http://en.wikipedia.org/wiki/Solar_energ…
you'll find some figures

Thomas Said:

where to get solar energy citations?

We Answered:

Here is more than you could ever want about the power output of photovoltaic panels: http://www.csudh.edu/oliver/smt310-hando…

It is measured in KWh and not volts as you need both volts and amps to determine how much energy has been received.