A uniform ladder of weight w leans without slipping against a wall making an angle theta with the floor, as shown. There is friction between the ladder and the floor, but the friction between the ladder and the wall is negligible. The magnitude of the normal force exerted by the floor on the ladder is.

Realy. exactly what poster?

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

It’s according to the question. but most of the time the answer is b

Some stress reducing strategies that a lot is: aromatherapy, yoga, meditation, quiet walks in the park, or listening to relaxing music.