How long have advances in astronomy been occurring? only for the past few years
only for the past decade
only for the past century
for the past few centuries

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

What is a possible result of higher air temperature caused by global warming

What causes the formation of ocean currents?