Adhere to the guidelines. Guideline 1: 1. Utilise a high level ofscientie understanding, vocal'yular}r and detail 2. Link your diagrams to the explanations given Guideline 2: 1. Discuss behaviour ofelectrons, if relevant 2. Refer m interactions between photons and matter, if relevant 3. Acknowledge the spontaneous nature of radioactive decay, if relevant ai) Descn'be two mechanisms though which Xrays interact with the mateiials in the body. an Explain the difference in appearance between the image at A5 and at B. b) The images display an Xray' image with and without a grid. Explain why a ind (physical or ~vixtual) is required to obtain a good qualit)r image= and explain how a grid flirtatious