The ratio molecular mass of gas A and B is 1.25 calculate the ratio of rate of diffusion of the gases

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

How do dying stars contribute to the formation of planets

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw