If the amount of daylight changes based on the tilt of the Earth's axis, then what causes the amount of daylight to change? Answer choices: - The bending of a ray of light - The tilt of Earth's axis - movement of tectonic plates - The tilt of the sun's axis - The brightness of the sun - Time change - Electrical energy - global warming
The tilt of Earth's axis

If hitting a rock causes vibration, then hitting a rock causes what? Answer choices: - heat energy - erosion - energy - friction - flooding - squeeze - contamination - vibration
vibration

If the more air a fan circulates, the greater the decrease in temperature, then what happens when fans circulate more air? Answer choices: - the production of heat - prevent heat loss - rapid expansion - decrease in temperature - it flows to a lower level - heat produced - A transportation fuel - depress neuronal excitability
decrease in temperature