<span>acetabular labrum
This is a ring of cartilage that surrounds the acetabulum</span>
Nematocysts: A capsule within specialized cells of certain coelenterates, such as jellyfish, containing a barbed, threadlike tube that delivers a paralyzing sting when propelled into attackers and prey. Also called stinging cell.
Answer:
Scientific drilling
Explanation:
Like proves sent into outer space, scientific drilling is a technology used to obtain samples from places that people cannot reach.
