, having a reliable marking scheme is key to securing those top grades. What’s covered in 2B? Living Things and Air (Photosynthesis & Respiration) Making Use of Electricity (Circuits & Safety) Space Journey (The Solar System) Pro-Tips for Science Success: Check the Keywords: Most marks are lost on missing scientific terms (e.g., refraction Units Matter: Always include when calculating electrical values.
Litmus paper can only distinguish between acidic and alkaline; it cannot determine exact pH values. aristo science workbook 2b answer verified