What is the equation of :
the reduction of lead oxide to lead with carbon monoxide being the other product ?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process