Which of the following is an example of a scientific hypothesis? "Space exploration benefits our world and the United States needs to increase funding for NASA." "Marital satisfaction tends to improve when the youngest child is grown and leaves the home because parents now have more time and energy for the marital relationship." "HIV causes AIDS, and AIDS is a disease and will never be cured." "If a tree falls in the forest, and no one is there to hear it; does it make a sound?"

"If a tree falls in the forest, and no one is there to hear it; does it make a sound?"

That's a hypthesis. the others were not.

the most likely outcome of fewer loon territories is that hawks would increase in proportion because the benefit of victory would be greater. hawks and loons are natural rivals of resources and victories in the game, since the lakes drying up affected the loons, the hawks would be benefited from the drought.

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'