Unit7 list 4

4. housing that is not too expensive for people of limited means
6. a building or place that is easy to recognize, especially one that helps you recognize where you are
7. to keep alive or in existence
11. is the process of constructing a building or infrastructure.
12. Efficiency is the ability to avoid wasting materials, energy,
13. features belonging to the culture of a particular society, such as traditions, languages, or buildings, that were created in the past and still have
15. is a color
17. panels Solar panels absorb sunlight as a source of energy to generate electricity or heat.

1. able to resist wear, decay
2. a settlement of differences by mutual concessions
3. Straw is an agricultural by-product, the dry stalks of cereal plants
5. the action of someone or something changing and becoming better
8. made of a lot of different but connected parts, or difficult to understand
9. Mixed with water and dirt
10. the way in which the parts of a system or object are arranged or organized, or a system arranged
14. downloude app
16. A brick is building material used to make walls