1. What is interesting or different about how temperature is lined up along the x-axis?

2. Describe the temperature and brightness for supergiants and white
dwarfs?

3. Near the end of the video he talks about what the H-R diagram can tell us
about stars. List the 4 things he mentions?

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.

maybe because its impossible for balloons to lift a whole entire house.

this would be called the responsiveness

answer; synapse;