any 2 for 1 mark each:a) Caelum - Latin definition : sky - English derivative: celestial, climateb) sequor, sequi, secutus sum - Latin definition: follow - English derivative: sequence, consecutive, consequentially, consequencec) senex - Latin definition: old man - English derivative: senile, senior, senated) verto, vertare, verti, versus sum - Latin definition: turn - English derivative: convert, conversion, reverse, controversial, diverse, introvert, extrovert