Answer:
question 1- is B
question 2- is A
*I hope this helps you guys out!
The answer is C. Condensation is a <span>change from a less condensed to a more condensed state of matter. It is a phase change from the gas state to liquid state. The gas is the less condensed state and the liquid is the more condensed state as compared to gas.</span>
It’s basically that’s any system that’s closed to all transfers of matter and energy the mass of the system has to remain constant over time because they can’t change meaning you can’t add or remove from it
Answer: This was because the experiment showed that a substance could emit radiation even while it was not exposed to light.
A I’m sure of it because it only makes since one would think ✊
