Questions

A tetrad is best described by Four chromatids. It is formed from two homologous chromosomes, each consisting of two chromatids in the first stage of meiosis called prophase1.

The Sumerians were the first to evolve a proper system of writing called cuneiform. The script is wedge-shaped. Henry Rawlinson a British officer, deciphered the cuneiform script. He discovered by chance an inscription known as the behistun inscription. Relentless work of almost 12 years by Henry Rawlinson on this inscription, he managed to decipher the cuneiform script.

Lithium is the lightest of all the metals due to its low atomic number among meetals

Sober means not afected by alcohol, clear headed, very serious, sensible,...

Antonyms of Sober are :: light hearted, frivolous, sensational, emotional,...

It will stop at a height where the weight of the balloon with contents is equal to the weight of air displaced by it, i.e , when the upthrust is equal to the downthrust. The question of bursting will depend on how much difference of pressure inside and outside , the material of the balloon can withstand. It is assumed the balloon is filled with a lighter than air gas like hydrogen or helium.