Steel materials produce less vibrations whilst less dense and more malleable parts produce more vibrations, e.g. the wooden part of the coaster itself.
Energy Produced by water and heatfrom the inner core of the earth of the earth
Nitrogen
oxygen
argon
carbon dioxide
Answer: harder
Explanation: nothing is impossible, therefore is harder because the absence of light will not ¨reflect¨the colors to the retina of the eyes
