A local recreation center has received funding to build a swimming pool. After construction, the center will be responsible for all costs associated with pool operation. As a result, the center must consider a variety of design options, including pool size, location, and heating. What happens to water molecules in a pool as they absorb energy? A. the kinetic energy of the atoms decreases. B. The rate of collision between molecules increases. C. The molecules begin to move more slowly D The molecules occupy less volume​