Adding a catalyst to a reaction has an effect similar to -

Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly

If a || b and e || f, what is the value of y ?

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