<span>Cai guo-qiang studied in japan where he began to explore the creative possibilities of gunpowder </span><span>as a tool for making drrawings.
Cai Guo-giang discovered this invention when he went to study in Japan in 1986. Later on, his artworks large-scale explosions that took several lives.</span>
Answer:
a. obligations based
is correct option according to your questions
Because 1 divided by 1 is still 1
