Vanillin, a compound in vanilla bean, is used for flavoring ice cream. the chemical formula for this compound is c8h8o3. what elements make up this compound? check all that apply. carbon chlorine helium hydrogen osmium oxygen

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

Write down two additional questions about earth's magnetic field that will make your presentation more informative.