The energy level necessary to enable a reaction to occur is called energy. 1.)activation 2.)kinetic 3.)potential 4.)nuclear

The correct answer is activation.

Activation energy is the minimum energy required by the reactant species to start a chemical reaction.

Kinetic energy is the energy possessed by an object by virtue of its motion.

Potential energy is possessed by an object when it is a rest.

Nuclear energy is the energy released during the process of nuclear fission or nuclear fusion.

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.

im pretty sure its b