Explanation:
The ribs are a set of twelve bones which form the protective 'cage' of the thorax. They articulate with the vertebral column posteriorly, and terminate anteriorly as cartilage (known as costal cartilage). As part of the bony thorax, the ribs protect the internal thoracic organs.
_______________ reactions transfer energy to the surroundings, usually as heat.
C. Exothermic
No 6 is common for N and H. 3 is only for H(Hydrogen).
For finding the number of hydrogen atoms we should multiply 6 with 3
So, 6*3 = 18. So there will be 18 hydrogen atoms in 6NH₃
Eukaryotes are the<span> type of cells that typically do not contain cilia or a flagella.
The ones that do are called prokaryotes.</span>