When a particle moves in a circle with a uniform speed

What is the historical importance of September 11, 2001 ?

"Success does not mean the absence of failures"

Who said this ?

Choose the correct answer

In which year, Kalpana Chawla's path to the Milky way was paved ?

Consider the following statements :

1. Adrenaline is an emergency hormone
2. Vasopressin is an antidiuretic hormone.

Baron Hausberg was a.................

Fill in the blank choosing the correct option.