Questions

Tetraethyl lead is a highly toxic compound used as a gasoline additive.

Tetraethyl lead abbreviated as TEL, is an organo lead compound with the formula (CH₃CH₂)₄Pb. It is a petro-fuel additive which in turn caused increased vehicle performance. This is also used as an antiknock agent in gasoline and jet fuels. Tetraethyl lead is absorbed rapidly by the skin, the lungs, and the gastrointestinal tract. It is converted to triethyl lead, which might be responsible for its toxicity.

Lost Generation definition, the generation of men and women who came of age during or immediately following World War I.

"Literature" was the one field among the following choices given in the question that was associated with the "Lost Generation".

Volcanic mountains are very common along the destructive plate boundaries i.e. Oceanic-continental plate boundaries which are yet uncovered in the rock folded mountains formed due to continental –to continental plate collision.The Himalayas are also a plate-to-plate collision tectonic boundary. In this case, the Indian Plate [of the Indian Subcontinent] is colliding head-on with the Eurasian Plate. Both plates are comprised of continental lithospheric crust, so there is no appreciable distinction in density.

Speed in a given direction is called Velocity.