The nonlinear relationship between temperature and saturation makes it possible for two unsaturated air samples to mix and form a new saturated air sample. jet contrails are one example of this as warm exhaust containing moisture mixes with cold air. some contrails disappear quickly, others singer. what do you think determins the life span of a contrail?

uranium fissions/breaks up giving out energy and neutrons

the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer