6. All changes in states of matter (freezing, evaporation, condensation, etc.) are a. physical changes
b. chemical changes

Pretty sure its Physical Changes

No chemical reaction is happening.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

the correct answer would be b) volume versus temperature, because they are also directly proportional.