Question

If the atoms and molecules of a substance are moving very fast, the substance is _________.

a) hot
b) porous
c) frozen
d) cold

Answer 1

If the atoms and molecules of a substance are moving very fast, the substance is _________.

a) hot
The temperature is droping, the movements are slowly
At minus 273 Celsius (0 Kelvin) there is no movement

Answer 2

a. hot is the correct answer.
Hope it helps!