When the temperature is high and change in entropy is positive.
Answer:
to collect measurable, empirical evidence in an experiment related to a hypothesis the results aiming to support or contradict a theory.
Explanation:
A physical change can be something like breaking into pieces. a physical change is when the chemical makeup is not changed. anything like corrosion, burning, or anything like that will be chemical.
Answer:
it is ammonia nitro oxide
A. What life may have been like before the evoltuon of photosynthesis