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Outline a weakness - it relies on animal studies
Give evidence - Pavlov, Skinner
Explain - this makes it difficult to generalise to humans, lacks ecological validity
Link back - this makes ...

Balancing equations is making sure that all atoms, ions and charges have the same count on both sides of the equation. We start with checking metals, hydrogen and lastly oxygen and charges. In order to ba...

1st Find the total number of parts they will be splitting the £50 into. If Anna is getting 5 parts and James is getting 3 how many parts in total? 5 + 3 = 8 2nd Work out how much each part is worth. To do...

Semi-conservative replication would produce 2 copies that each contained one of the original strands and one new strand.  1- Weak hydrogen bonds between bases allow two strands to unzip2- 2 strands exists...

The photoelectric effect is the stimulated emission of electrons from a (generally metallic) material upon irradiation with light of sufficient energy (light of a short enough wavelength). The incident ph...