<span>ACL
A popular amongst the most well-known knee injuries is the Anterior Cruciate Ligament (ACL) sprain or tear. The ACL is tissue that associates the thighbone to the shinbone, at the knee. Most ACL wounds are often sport related.</span>
Explanation:
By using sound absorbing substances we can reduce the echoes.
as we seen in the cinema hall...lol
Answer:
B. separating strands of DNA
