Plz me answer these questions! i need them now!

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

Ascientific blank must be testable and capable of being proven false?

Aseries circuit has a battery and resistor and a light bulb with a power of 3.0 w if the current in the circuit is 0.90 a over a period of 20 seconds what is the voltage across a lightbulb