Answer: Well people who take the subway or train to get places have a very high chance of getting robbed, SA, or just harassed in general. It's not safe really at all, but with bikes they don't work with every environment. Bikes in the snow or big busy cities just aren't it.
True. Especially if you are a visual learner. The models help explain the world in a easier way. Words is another method teachers and people use. But models make it fun and more understanding