A student places a ball on the ground and kicks it hard. The -ball moves along the ground. Which statement is true?

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false