law of reflection physics related terminology displayed on water drop abstract background

law reflection physics related terminology displayed water drop abstract background ammonification biological text written english language highlights pattern dispersion science dark paper nitrogen assimilation research words displaying fixation keywords rough ink deforestation mass extinction word red colour underline myopia page underlined periscope highlighted magnetic force environment project tiger policy protect lion zoo book symbol topic headline forest biology creatures health fitness training work essay file presentation medical theory syllabus exam galaxy nature conceptual