Adhere to the guidelines. Guideline 1: 1. Utilise a high level of scientic understanding, vocabulary and detail 2. Link your diagrams to the explanations given Guideline 2: 1. Discuss behaviour of electrons, if relevant 2. Refer to interactions between photons and matter, if relevant 3. Acknowledge the spontaneous nature of radioactive decay, if relevant Use the diagrams you have created to explain the principles behind magnetic. resonance imaging