Polaris the north star is very bright and it doesn’t move
All colors but red is being absorbed by the material.
When a molecule is going through any physical change, solid to liquid or liquid to gas, as it changes, the temperature remains constant. it does not increase or decrease, it stays at that temperature/.
For example, water evaporates/ boils at 100 C. if you are heating water to the point of boiling, it will remain 100 C until all the water evaporates. Once it becomes a gas, the temperature will continue to increase
Answer:
Energy is absorbed, so the mass is increased. Energy is released, so the mass is increased
Answer:
The less mass in a given volume of air the less dense the air is going to be.
