Vision is critical to safe driving.

The killing of the buffalo herds was a major factor in taking away the ability of the Plains Native Americans to survive.

I was in the National Forest with my camera. The day was crisp, and the leaves were turning gold and red. When I spotted the white-tailed buck, I froze. He wasn't more than 15 yards from where I was standing. The wind must have been right, because he kept on browsing the mossy ground. I lifted my camera very slowly. Carefully, holding my breath, I lifted the camera to my eye. Turning the focus ring, I framed the deer's head. Just as I was ready to press the shutter release, the buck raised his head. He was looking my way with wide eyes. Click. I took the picture. An instant later, the deer bounded away into the forest. He took off, but I had the shot. Today, the framed photo of that buck hangs above our fireplace. The deer was not able to pick up his scent is what the author is implying in the phrase "the wind must have been right".

Tenement is a large building divided into apartments, usually in a poor area of a city.

Perception is what gives meaning to our senses. Perception is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment. All perception involves signals that go through the nervous system, which in turn result from physical or chemical stimulation of the sensory system.

Airbags are designed to deploy only under certain conditions, usually in the event of a Fairly severe frontal collision.

From the paragraphs, the conclusion that can be drawn is that genes play a significant role in determining intelligence.