How does a hypothesis scientists understand the natural world

If water is at -10 ° c and energy is added to the water until it is 50 ° c while maintaining a constant pressure of 760 mmhg, describe the phase change of the water?

What advantages does a pedigree have over a written passage?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000