What is a matrix and reinforcement in the simplest explanation.

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.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?