Question

1. ….. has no definite shape or size
A. Solid
B. Liquid
C. Gas
D. Plasma

2. Distance traveled per unit of time is..
A. Velocity
B. Speed
C. Motion
D. Acceleration

3. The SI unit of pressure is the..
A. Pascal
B. Atmosphere
C. Torr
D. Bar
( please help me)

Answer 1

Answer:

See below ↓↓↓

Explanation:

1. C. Gas

• Gases are classified as a state of matter which has no definite shape or size
• Liquids are commonly confused with gases in this manner, but remember liquids take the definite shape of the container if poured in, gases are not so

2. B. Speed

• As the term "distance" is given, it is definitely speed
• On the other hand, if "displacement" was given, then it would be velocity

3. A. Pascal

• All of the options are units of pressure
• But, the SI unit is actually N/m², which otherwise commonly called Pascal