Answer:
Ozone
Explanation:
Ozone is considered a pollutant in the troposphere, but in the stratosphere it is essential to life on earth because it absorbs biologically harmful UV radiation. The mesosphere and the thermosphere are two additional atmospheric layers above the stratosphere.
I’m pretty sure it’s false
<span>the bones of fibrous joints are joined by fibrous tissue, such as the sutures in the skull or the pelvis. Fibrous joints allow no movement at all. he bones of synovial joints meet in a joint capsule, such as the knee joint where the femur and tibia meet. These joints are the most common and most moveable joints in the human body</span>
