The questions you provided do not directly lend themselves to true or false answers since they are primarily asking for definitions, selections, or explanations rather than making statements that can be evaluated as true or false. However, I can evaluate the correctness of your answers:
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Direct ecosystem service - Fresh water is indeed a direct ecosystem service. So this answer is correct.
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Recycling food waste - Turning food scraps into biogas is a valid method of recycling food waste. This answer is also correct.
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Ecosystem service definition - Contributions of ecosystems to the well-being and survival of humans is a good definition of ecosystem services. This answer is correct.
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Solving food insecurity while reducing food waste - Donating unused food to food banks is a practical and effective approach. This answer is correct.
If you need further evaluation or details on any of the concepts, feel free to ask!