Where does the passage of air start? A) Nose B) Bronchi C) trachea D) alveoli Thanks

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

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

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.