I would say all but A, but if only one answer it is, I would say C
Thoracic cavity or chest cavity consists of a thoracic wall that protects the heart and lungs, which are the important organs of our body. Diaphragm, that separates the thoracic cavity from the abdominal cavity, forms the floor of the chest cavity and helps in the respiration process.
Answer:
Water
Explanation:
The main things living things need to survive are food, air, sunlight and water. You have to stay hydrated for your body to continue functioning
Good conductors of heat- aluminium, Iron, Lithium, Beryllium.
poor conductors- Mercury, Hydrogen, titanium, Chromium