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2. a substance that is used to provide heat or power, usually by being burned
5. well-educated and having experience of the world or knowledge of culture
7. a natural or chemical substance that is spread on the land or given to plants, to make plants grow well
9. a situation in which there is no organization and control, especially in society, because there is no effective government
10. the process of taking in and using food, or the scientific study of this

1. the scientific study of how information is communicated in machines and electronic devices, comparing this with how information is communicated in the brain and nervous system
3. human society with its well developed social organizations, or the culture and way of life of a society or country at a particular period in time
4. a dark, thick oil obtained from under the ground and made into fuels such as gas and heating oil, and used in making plastics
6. the total amount collected of a plant such as a grain, fruit, or vegetable grown in large amounts
8. a large amount of something that has no particular shape or arrangement