B. Directions: Primary and Secondary. Identify whether the following sources of information are primary or secondary by writing P for primary and S for secondary. Write your answers on the blanks provided for each number. _________36. GMA Documentary, “Yaman sa Basura”(Child Urban Miners) _________37. Letter of Crisostomo Ibarra to Maria Clara _________38. President Rodrigo Roa Duterte’s biography _________39. ABS-CBN’s Christmas Station ID 2020, “Ikaw ang Liwanag at Ligaya” _________40. Madam Kilay’s vlogs and tweets​