Because of its ability to form large complex and diverse molecules
Answer:
B.
Explanation:
The resistance to sudden temperature changes makes water an excellent habitat, allowing organisms to survive without experiencing wide temperature fluctuation. Furthermore, because many organisms are mainly composed of water, the property of high heat capacity allows highly regulated internal body temperatures.
I'm pretty sure it's B . If I'm not I'm very sorry as I copied this from my textbook .
The brain and the skull the skull protects the brain
Since fire is a chemical reaction, and oxygen is needed for that reaction, having a fire in a cave is a sure sign of the presence of oxygen.
