not horribly fast. They wont be depleted anywhere in this century. America sits on massive amounts of oil. Natural gas is fine. Metals may be a problem is we dont find another material beside titanium and steel
Really fast.
Really fast.
plasma
hard to be certain from the phrasing of your questions but I read somewhere that that is how fast the rain forest is being destroyed in south america, through a combination of logging and slash and burn farming.
As fast as your fingernails grow
Jupiter
Like I know that.....
well its your mom and dad
2.5 centimeters per year
yes it will
Yes, they do. Sound waves move fastest through solids, less fast through liquids, and slowest through gasses. This is because the molecules of solids are closer together, while those of gasses are further apart, creating more space that the waves must jump to move.
Probably due to how they can't really go fast