Various impairments of the mind are commonly associated with old age. To what extent are these biological in origin? To what extent, social in origin?

This is about this site if you answer enough questions can you get real money or not

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds

100 points! striked out answers are wrong