The ___ of a body is the quantity of matter it contains.
The quantity of matter in a body regardless of its volume or any force acting on it is called its ________.
Which of the following statements is correct? Statement 1: Mass of a body is defined as the quantity of matter contained in it. Statement 2: Mass of a body remains constant and does not change from place to place. Statement 3: Mass of a body cannot be zero. Statement 4: Unit of mass is kg.