Please help write hypothesis for each one, 1 sentence each, please and thank you. Does changing the wing shape to make it more narrow effect the difference a paper airplane will fly?

How does heat affect the motion of water molecules?

How does increasing the slope of a ramp affect how far a marble travels

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.