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Ann needs to be using condoms and avoiding oral sex. STDS are transmitted through body fluids.
Answer:
Definition: Energy Conservation,The prevention of the wasteful use of energy especially in order to ensure it's continuing availability.
Examples of Energy Conservation:
Law of Conservation of Energy. The law of Conservation of energy can be seen in these everyday example of energy transference: Water can produce electricity.Water falls from the sky, converting potential energy to kinetic energy.