I believe the answer for your question is a mitochondria.
Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
Cartilages of larynx, trachea and bronchi. (Carina is at the point of bifurcation.) Transverse section of the trachea, just above its bifurcation, with a bird's-eye view of the interior. (Carina not labeled; the ridge that separates the left and right bronchus.) I hope I helped you and good Luke and I know it’s night but I love to help and I ate to much sugar
Answer: Calcium is a mineral and so is Emerald because the come naturally from earth and are some of the building blocks of Rocks.
Explanation: