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Effects of pollutants on the aquatic environment
Nature & Environment

Effects of pollutants on the aquatic environment

...et al., 2011). Water quality standards exist to control pollution of domestic water supplies. The maximum limit set by the EU for nitrates in drinking water is 50 g m−3 (as NO3−) (EU, 1998). Water with a high nitrate content can be treated for drinking using reverse osmosis. The effects on the biota of organic pollution and artificial eutrophication are summarised in...
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Level 3: Advanced 3 hrs
Presenting information
Digital & Computing

Presenting information

...double down arrows at the bottom). If this is the first time you have used the Windows calculator then it is possible that only the standard view of the calculator will be displayed, but you will need to use the scientific view. To display this, click on the View menu in the calculator's menu bar and select 'Scientific'. This will display the full scientific calculator...
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Level 1: Introductory 3 hrs
Studying mammals: The insect hunters
Nature & Environment

Studying mammals: The insect hunters

...et al. (1997) Eckert Animal Physiology: Mechanisms and Adaptations, W. H. Freeman and Company © Figure 6: Adapted from Schmidt-Nielson (1975), Animal Physiology, Adaptation and Environment, Cambridge University Press and reprinted in Randall et al. (1997) Eckert Animal Physiology: Mechanisms and Adaptations, W. H. Freeman and Company Figure 6 Graph of basal metabolic...
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Level 1: Introductory 10 hrs
Advancing Black leadership Badge icon
Society, Politics & Law

Advancing Black leadership

...et al., 2020). Constructive dissent can be more or less public. When it happens privately, it is usually within small groups of people who are committed to improving the organisation through dialogue. However, such attempts to provide constructive dissent are sometimes not acknowledged or listened to. Under such circumstances, dissenters need to decide how far they are...
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Level 1: Introductory 24 hrs
Child mental health: is it in crisis?
Health, Sports & Psychology

Child mental health: is it in crisis?

...et al., 2021). Common mental health problems for children and young people can span emotional symptoms, conduct or behavioural problems, hyperactivity-inattention and peer relationship problems, or any combination of these. An increasingly prominent issue post COVID-19 is school refusal (a reluctance or refusal of a child or young person to attend school which results in...
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Level 1: Introductory 3 hrs
Introduction to active galaxies
Science, Maths & Technology

Introduction to active galaxies

...et al © NASA STScl; MERLIN; NASA/CXC/SAO/H. Marshall et al Figure 18: Images of the nearest quasar, 3C 273. (a) An optical (V band) image shows a faint jet of material emerging from the star-like nucleus. The panels show the jet in more detail at (b) optical, (c) radio and (d) X-ray wavelengths. Note that the different colours in panels (b), (c) and (d) represent...
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Level 2: Intermediate 20 hrs
Business models in strategic management
Money & Business

Business models in strategic management

...et al., 2017, p. 76): business models as attributes of real firms having a direct real impact on business operations business models as cognitive/linguistic schema business models as conceptual representations/descriptions of how an organisation functions. You will look at each of these in more detail in the following sections...Business models in strategic management:...
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Level 2: Intermediate 10 hrs
Can you predict the outcome of a Brexit deal with a little logic and a bit of arithmetic?
Science, Maths & Technology

Can you predict the outcome of a Brexit deal with a little logic and a bit of arithmetic?

...et les baisers de la fermiere (loosely translatable as wanting not only to have their cake and eat it, but also to kiss the baker’s daughter). But on the other hand, it is conceivable that Deal UK ought to be better than the deals granted to countries that have never been EU members. It would debase the status of EU membership to treat the UK worse than those who have...
View article Can you predict the outcome of a Brexit deal with a little logic and a bit of arithmetic?
Article 5 mins