Mass is the property of a body that causes it to have weight in a gravitational field.
Yes air has mass. It is the mass of the air above a point on earth that is responsible for the air pressure.
Gravity is the force ultimately responsible for mass movement. Objects with mass are attracted towards each other due to the gravitational force, causing them to move or shift.
Armenia holds Turkey responsible for mass deaths
The expansion of mass leisure and mass culture can be largely attributed to the Roaring Twenties and World War I.
George Harpton
The same mechanism applies.
The Law Of Conservation Of Mass
The "Hutu"
Gravity is the force responsible for all mass movements on Earth. Gravity pulls objects towards the center of the Earth, causing them to fall or slide downhill.
Diffusion
Protons and neutrons are responsible for the atomic mass of an atom. Protons have a positive charge, while neutrons have no charge. The combined mass of protons and neutrons makes up the majority of the mass of an atom.
The process responsible for the loss of mass is typically attributed to either chemical reactions that result in the conversion of mass into energy (as described by Einstein's famous equation E=mc^2) or the release of matter in the form of gases or particles into the environment.