How do spread and relative humidity change with increasing temperature?

Question

Question PPL(H) - Private Pilot License - Meteorology

QuizVDS · Accepted Answer

Spread increases, relative humidity decreases

QuizVDS · Answer

Spread remains constant, relative humidity increases

QuizVDS · Answer

Spread increases, relative humidity increases

QuizVDS · Answer

Spread remains constant, relative humidity decreases

Id 414 - PPL(H) EN - How do spread and relative humidity change with increasing temperature?