Which condition will cause a reaction to occur? check all that apply.

particles and molecules must collide.

collisions must be energetic enough to overcome the activation barrier.

collisions must be properly oriented for the relevant parts to react.

the energy needed to overcome the activation energy comes from the kinetic energy of random collisions.

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

silt loam

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