B) A rolling marble is sent dowh a ramp and travels at 1.6 cm/s. How fast is this in inches/minute?

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

What are transitions between a liquid and gas called? identify which way they are transitioning

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.