Deleted 01.curriculum/01.physics-chemistry-biology/01.niv1/06.nature-of-light/01.light-intensity/05.light-intensity-parallel-2/form.en.md, 01.curriculum/01.physics-chemistry-biology/01.niv1/06.nature-of-light/01.light-intensity/05.light-intensity-parallel-2/form.es.md, 01.curriculum/01.physics-chemistry-biology/01.niv1/06.nature-of-light/01.light-intensity/05.light-intensity-parallel-2/form.fr.md files