De or het bronopsporing?

The correct Dutch article is:

de bronopsporing

Rule Words ending in -ing: almost always de. See the rule

How to use bronopsporing

the bronopsporingde bronopsporing
this bronopsporingdeze bronopsporing
that bronopsporingdie bronopsporing
our bronopsporingonze bronopsporing
your bronopsporingjouw bronopsporing
every bronopsporingelke bronopsporing
which bronopsporing?welke bronopsporing?
a big bronopsporing / the big bronopsporingeen grote bronopsporing, de grote bronopsporing