If the rate of diffusion of H2S is about one Fourth times faster than that of SO2 by what factors is the rate of diffusion of ammonia faster than that of oxygen?​

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How might Europeans of that time benefit from increased trade?
The dimension of a rectangular garden are 12 1/2 feet by 16 3/4 feet. If 1 5/8 feet is added to all the sides, find the new dimensions of the garden.
stress can cause change in your eating habbits . which body system would this effect​