Answer:
I believe it is luminosity and distance
Explanation:
So B
Its not sharp enough to cut through whatever your trying to cut. Imagine trying to cut paper with your index finger and your middle finger. Doesn't work does it?
Answer: the answer is D.Heat from the engine under the hood transfered to the snow, melting it.
Explanation: Heat always transfers from warmer objects to cooler objects. For example, if snow is on the hood of your car, as the engine warms up, heat will be transfered from the engine to the snow, melting the snow and cooling the engine.