go on open study its better
6 ways of expressing standard atmospheric pressure include: millimetres (or inches) of mercury, pounds per square inch (psi), dynes per square centimetre, millibars (mb), standard atmospheres, and kilopascals.
Every surface on earth absorbs and reflects energy at varying degrees, based on its color and texture. Dark-colored objects absorb more visible radiation; light-colored objects reflect more visible radiation. Shiny or smooth objects reflect more, while dull or rough objects absorb more.
According to the Big Bang Theory, the universe began when an explosion had occurred 15 billlion years ago. It consist of an explosion of space within itself. Unlike an explosion of bomb where fragments are thrown upward in the theory it was an exact opposite. Atoms formed when the matter and anti-matter were formed together after it has cooled down.