Landscaping

3. a silver-white chemical element that, when combined with other elements, is used in the production of soap, glass, and fertilizers
4. a covering of decaying leaves that is spread over the soil in order to keep water in it or to improve it
6. a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all living things
7. to make something dry, or to become dry
9. a small pile of earth or sand pushed up to the surface of the ground by a worm
10. the material on the surface of the ground in which plants grow
11. the thin, white layer of ice that forms when the air temperature is below the freezing point of water, especially outside at night
13. unwanted matter or material of any type, especially what is left after useful substances or parts have been removed
14. decaying plant material that is added to soil to improve its quality
15. strong enough to bear extreme conditions or difficult situations

1. solid waste from animals, especially horses, that is spread on the land in order to make plants grow well
2. any substance that plants or animals need in order to live and grow
3. a number that shows how strongly acid or alkaline a substance is, in a range from 0 to 14
5. a chemical element that is contained in all animals and plants, and that is an important part of other substances such as coal and oil, and exists in its pure form as diamonds and graphite
8. to move something, or to be moved, from one place or person to another
12. a natural or chemical substance that is spread on the land or given to plants, to make plants grow well