Some knowledge of catalysts will also be helpful, and they should know a little about simple chemical reactions and how to represent these by word equations. The concept of pH should also be understood at a simple level. Context This unit covers some fundamental topics that will be drawn on ...
The MRB index had a negative phenotypic association with educational achievement for both achievement measures. We showed a decrease in the capped GCSE score of 0.14 SD (95% CI: [−0.17, −0.12]) per SD higher engagement in risky behaviours; these results were slightly attenuated in the fu...