a man drives south to work everyday. if his 55 mile commute usually takes 0.75 hours, what his average velocity?

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Why do atoms emit energy of only specific wavelengths