Answer:
Abiotic: Water, rocks, air, and sand
Biotic: Bacteria, fish, coral, and shells
C.submarines
We use satellite and sonar today to see the ocean ridges and deep sea diving is impossible unless you have a submarine
Amino acids form ionic bonds called 'hydrogen bonds' with hydrogens attachjed to other amino acids. This happens to hold your DNA double helix together :)
Answer: appendicular skeleton
Explanation:
