They are made mostly of metal and rock because they condensed within the frost line in the solar nebula. Large ones - (near) spherical Next two largest - oblong 540 kilometers Vesta- 510 kilos Small - like potatoes, various shapes. Mass - measured by observing its gravitational effect on another object. (Newtons' version of Kepler's third law) Using mass and size can calculate density -
Answer: because there is no displacement or movement in the watchman's work. according to science when displacement or movement take place it is said to be work. hope this helps you.
