are you a science genius Quiz

Question Number 1 who discovered that planets move not circles but oval-shaped called ellipses A. isaac newton B. tycho brahe C. johannes kepler D. albert einstein E. the wright brothers F. none of the above Question Number 2 what is the lightest of all gases and elements A. oxygen B. helium C. carbon dioxide D. both a and c E. hydrogen F. all of the above Question Number 3 the study of the relationship between organisms and thier environments A. biology B. zoology C. ecology D. both a and c E. anatomy F. none of the above