Top answers


What is the difference between an endothermic and exothermic reaction?

(Using a diagram of energy changes) The simplest way of thinking about it is that exothermic reactions release energy, such as heat, to the surroundings whereas endothermic reactions absorb energy from the s...
CC
12570 Views

Discuss the view that nationalisation of the railway services in the UK would be beneficial for consumers.

[This is an exam style essay question, with the response being just one paragraph of multiple the student would have to write]One significant advantage to UK consumers of nationalising railway services could...
JC
Answered by James C. Economics tutor
8740 Views

Explain how a recessive phenotype can be produced from two parents with a dominant phenotype

A recessive phenotype is produced when there are two copies of the same recessive allele e.g. aaA dominant phenotype is produced when there is at least one copy of a dominant allele e.g. Aa or AAA parent wit...
HQ
Answered by Hannah Q. Biology tutor
5219 Views

How do I evaluate case studies in IB psychology?

First memorise a mental checklist that can be applied to each case study.-Ecological validity-Generalisability-Ethnocentrism-Ethical considerations-Participant bias-Cross checking facts-Reductionism-Gynocent...
TJ
3428 Views

How can I manage my time in the IB Psychology paper one.

I suggest first looking at the questions and the command terms to determine what they are actually asking you to do. Then plan out responses to all the questions (case studies, introductions etc). Once you h...
TJ
2130 Views