Answer:
calcium
Explanation:
It's not only required for strong bones and teeth, but it is also vital for muscle contraction and energy metabolism
Normally 5-9 hours after depends on how you feel.
While some contact lenses provide UV protection, they don't cover your whole eye, so you still need sunglasses. Look for sunglasses that protect you from 99 to 100 percent of both UVA and UVB light. This includes those labeled as "UV 400," which blocks all light rays with wavelengths up to 400 nanometers.
