In: who led the challenger expedition from 1872 to 1876??

Out: Captain George Nares

In: ye un dino ki baat actress real name??

Out: Ashi Singh

In: canadas oldest national park located in the rocky mountains??

Out: Banff National Park

In: who can decide whether a law is unconstitutional the supreme court congress the states the president??

Out:
the U.S. Supreme Court