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.
90% is lost, as only 10% is available to the next level.
<span><span>Cardiorespiratory endurance
Muscular strength
Muscular endurance
Body composition
Flexibility </span></span>
Explanation:
cancer diagnosis is the answer for this question
