The ancient Egyptians used the stars to tell when a flood was going to happen. Every summer a flood would happen but this also happened when the bright star Sirius rose before the sun.
Hope that helped ^^
i think that -5 will be the answer
The two basic types of fat are: saturated fats and unsaturated fats. Saturated fat is solid at room temperature, and typically comes from animal fats. They can raise blood pressure and cholesterol. Unsaturated fats are typically from plant sources and are not as harmful on cholesterol levels.
A molecule with polar and nonpolar parts that only partially dissolves in water is described as amphipathic.