(par 2.2.1. 1.4) Photosynthesis – What is it?

Introduction to photosynthesis http://www.eschooltoday.com/photosynthesis/introduction-to-photosynthesis.html Every living creature needs food or energy to survive. Some depend on others for food and energy, whiles others can produce their own food. Plants make their own food, glucose, in a process called photosynthesis. We say that plants can photosynthesise. Photosynthesis and respiration go hand in hand. The result of photosynthesis is glucose, […]

(par 2.2.1. 6. ) Soil Characteristics

http://www.vaderstad.com/en/knowhow/soil-basic The building blocks of soil The soil that is cultivated to create a seedbed only consists to half of solid material, while the remainder consists of pores filled with water or air. Of the solid material, clay and organic material have the strongest influence on the soil and determine its tillage properties. Soil consists […]

(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 […]