Which of the following is an example of radiation?
OPTIONS
Heat from a fire
An old-fashioned radiator
Batteries
Touching a stove and burning your hand
3 answers
Heat from a fire
Based on the context of the passage, which of the following could be the definition of medium?
OPTIONS
A vacuum
Empty space
Anything with molecules; matter
The absence of molecules in an area
OPTIONS
A vacuum
Empty space
Anything with molecules; matter
The absence of molecules in an area
Anything with molecules; matter
1 answer