Most popular questions and responses by Dontworryaboutit
  1. Physics

    Halley's Comet orbits the sun about every 75 years due to the gravitational force the sun provides. Compare the gravitational force between Halley's Comet and the sun when the Comet is at aphelion (its greatest distance from the sun) and d is about

    asked on February 25, 2016
  2. biology

    what is the primary focus of all biological studies?

    asked on September 2, 2008