Crossed link arrangement observed in

What difference do we observe in the arrangement of particles in solids and gases ?

What is cross linking agent used in vulcanization ?

What is the cross linking agent used in the manufacture of tyre rubber ?

Do you observe any pattern in arrangement of bead?

A data has 13 observations arranged in descending order which observation represents the median of data?

The median of n observations arranged in ascending order when n is even

A train sounds its whistle as it approaches and crosses a level crossing. An observer at the crossing measures a frequency of 219 Hz as the train approaches and a frequency of 184 Hz as it leaves. If the speed of sound is taken to be 340m//s , find the speed of the train and the frequency of its whistle

By arranging the given observations in ascending order then the middle most observation is called a_________