Now is the season of warm spring in bloom, and the air is full of flowers, which is a _ _ _ _ _ phenomenon; When the weather is clear and the temperature is high, the fragrance is stronger. This is be

Now is the season of warm spring in bloom, and the air is full of flowers, which is a _ _ _ _ _ phenomenon; When the weather is clear and the temperature is high, the fragrance is stronger. This is because _ _ In Harbin in May, flowers are everywhere, because the molecules of flowers are constantly moving irregularly, which is a diffusion phenomenon; The higher the temperature, the stronger the random movement of molecules, the faster the movement and the stronger the smell.

So the answer is: diffusion; The higher the temperature, the more intense the irregular movement of molecules.