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...tree using only water, oxygen, carbon dioxide, some inorganic materials from the soil, and light energy. Similarly a human baby grows into an adult by digesting and metabolising food and drink. The parents in each case pass to their progeny, or offspring, the information and specification for building cells from materials around them. This information lies in the genetic...

...family history of mood disorders, early onset depression, and long duration of depressive episodes. Comorbidity with anxiety disorders, personality disorders, substance dependence or abuse, poor social integration and negative social interaction are factors commonly associated with depression (Bschor et al., 2014). But what does it actually feel like to experience...

...family and employers, and on social media. Badges are a great motivation, helping you to reach the end of the course. Gaining a badge often boosts confidence in the skills and abilities that underpin successful study. So, completing this course should encourage you to think about taking other courses, for example enrolling at a college for a formal qualification. (You...

...tree diagrams or tables to help you to picture and solve these problems. Example: Gender probability If a couple has two children, the gender of the first child will not affect the gender of the second child. All possibilities can be shown in the form of a table: B = boy G = girl Table 27 First and second child gender probability table HIGHLIGHTEDFIRST CHILD HighlightedB...