The quantity that you would measure in kg, is mass.
Answer:
Solid
Explanation:
The particles are densely packed and in a defined shape, therefore they would be defined as a solid.
Answer:
Explanation:
Driving a car (burning gas is a chemical change) and almost all the plastics we use are made by chemical reactions of different components.
Answer:
The muscular and nervous systems enable the involuntary breathing mechanism. The main muscles in inhalation and exhalation are the diaphragm and the intercostals (shown in blue), as well as other muscles. Exhalation is a passive action, as the lungs recoil and shrink when the muscles relax.
Explanation: