A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of atom. Elements are listed on the periodic table. Elements cannot be ...

According to their origin, rocks are divided into three groups, namely, the igneous, metamorphic and sedimentary rocks. Figure 1.1: Approximate mineral compositions of the more common types of igneous ...

Conifers are often included in rock garden ideas because they add height and a focal point, while the prostrate, spreading varieties can be used as ground cover. You can achieve height and ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections: background information on the structure and forces affecting the Earth in relation to rock formation a more ...