Answer:
A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible. The physical properties of a substance include such characteristics as shape (volume and size), color, texture, flexibility, density, and mass.
Velocity. Since velocity consists of a speed and a direction, acceleration is a change in speed, or direction, or both.
Answer:
The man ate eggs.
Explanation:
He should brush his teeth before seeing his girlfriend.
Answer: at the same time
Explanation: in a vacuum, there isnt air, right? so there isnt gravity pushing down on the heavier object, so they will both land at the same time.
good? :)