Walking is my favorite activity walking is my favorite activity find verb and object and subjecto

Miguel is making an obstacle course for field day.at the end of every sixth of the course,there is a tire .at the end of every third of the course,there is a hurdle.at witch locations of the course will people need to go through more than one obstacle?

Cuvinte care au sens comun cu cuvantul zapada

The invention of photography was initially important because