(par 2.2.1. 6.1) What is rock?
http://www.eschooltoday.com/rocks/what-is-a-rock.html They are very tiny grains of different minerals, compressed together in chemical reaction to form a bigger mass. Rocks make up non-water part of the earth’s crust. A mineral and a rock do not mean the same thing. Minerals are made of individual or a combination of elements. A mineral is composed of the same substance […]
(par 1.1) Scientists warn of grave impacts from loss of natural world
https://news.trust.org/item/20190506114455-fkidk by Reuters Monday, 6 May 2019 11:59 GMT Nature is declining globally at rates unprecedented in human history, warns report endorsed by 130 countries PARIS, May 6 (Reuters) – The accelerating loss of plant and animal species will have grave consequences for people worldwide, scientists warned on Monday in the largest comprehensive study into the impact of […]
(par 2.2.1 ) A-biotic components & ecosystem-functioning
http://www.bcb.uwc.ac.za/Sci_Ed/grade10/ecology/abiotic/abiot.htm Abiotic components The way in which plants and animals grow and carry out their different activities is a result of several abiotic factors. These factors are light, temperature, water, atmospheric gases, wind as well as soil (edaphic) and physiographic (nature of land surface) factors. Light Light energy (sunlight) is the primary source of energy […]