What does the water inside the jar represent



detects body heat (infrared energy). passive infrared sensors are the most widely used motion in home security systems. when your system is armed, your motion sensors are activated. once the sensor warms up, it can detect heat and movement in the surrounding areas, creating a protective “grid.”

answer: dahil ang kaibigan natin sa mundo kaya dapat disiplinado

kasa kapaligiran


It may represent as ligt bulb that use when coserving electric

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