Pleasse ! think about the last food you ate. how do you know the chemical bonds in your food were broken?

I know that the chemical bonds in the last food I ate was broken because I got some energy after eating the food.

Chemical energy is stored in food substances. This chemical energy is stored in chemical bonds in food substances.

During digestion, these chemical bonds in the food substances are broken and this chemical energy stored in food substances is released and converted to mechanical energy.

This energy enables a person to perform day to day activities.

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european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.