There is no ârightâ way to whiten teeth naturally with activated charcoal. Koreans put it in their toothpaste, Crunchy Betty swishes with it, and some people simply brush it on straight. Open a capsule of activated charcoal (about 1/8 teaspoon) and pour about half into a cup.
The rear-facing camera on Surface 3, Surface Pro 4, and Surface Book has an autofocus lens that can help improve the sharpness of your photos and videos. The lens automatically focuses on the main subject on the screen, but you can change the focus to a different area before taking a picture or while recording a video.
There are different types of rear-facing car seats: 1  Infant-only seats can only be used rear-facing. 2  Convertible and all-in-one car seats typically have higher height and weight limits for the rear-facing position, allowing you to keep your child rear-facing for a longer period of time.